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TRY IT :: 6.41 One serving of wheat square cereal has 7 grams of fiber, which is 29% of the recommended daily is the total recommended daily amount of fiber?TRY IT :: 6.42 One serving of rice cereal has 190 mg of sodium, which is 8% of the recommended daily amount. What total recommended daily amount of sodium?TRY IT :: 6.43 Veronica is planning to make muffins from a mix. The package says each muffin will be 230 calories and 60 calories will be from fat. What percent of the total calories is from fat? (Round to the nearest whole percent.)TRY IT :: 6.44 The brownie mix Ricardo plans to use says that each brownie will be 190 calories, and 70 calories What percent of the total calories are from fat?TRY IT :: 6.45 In 2011, the IRS increased the deductible mileage cost to 55.5 cents from 51 cents. Find the percent increase. (Round to the nearest tenth of a percent.)TRY IT :: 6.46 In 1995, the standard bus fare in Chicago was $1.50. In 2008, the standard bus fare percent increase. (Round to the nearest tenth of a percent.)TRY IT :: 6.47 The population of one city was about 672,000 in 2010. The population of the city is projected to 630,000 in 2020. Find the percent decrease. (Round to the nearest tenth of a percent.)TRY IT :: 6.48 Last year Sheila’s salary was $42,000. Because of furlough days, this percent decrease. (Round to the nearest tenth of a percent.)Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 98. What number is 45% of 120?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 99. What number is 65% of 100?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 100. What number is 24% of 112?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 101. What number is 36% of 124?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 102. of 65 is what number?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 150% of 90 is what number?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 800% of 2,250 is what number?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 600% of 1,740 is what number?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 28 is 25% of what number?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 36 is 25% of what number?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 81 is 75% of what number?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 93 is 75% of what number?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 110. 8.2% of what number is $2.87?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 6A% of what number is $2.88?Translate and Solve Basic Percent Equations In the following exercises, translate and solve 112. 5% of what number is $108.10?Translate and Solve Basic Percent Equations In the following exercises, translate and solve 113. 12.3% of what number is $92.25?Translate and Solve Basic Percent Equations In the following exercises, translate and solve What percent of 260 is 78?Translate and Solve Basic Percent Equations In the following exercises, translate and solve 116. What percent of 215 is 86?Translate and Solve Basic Percent Equations In the following exercises, translate and solve What percent of 1,500 is 540?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. What percent of 1,800 is 846?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 30 is what percent of 20?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 50 is what percent of 40?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 840 is what percent of 480?Translate and Solve Basic Percent Equations In the following exercises, translate and solve. 790 is what percent of 395?Solve Applications of Percents In the following exercises, solve the applications of percents. Geneva treated her parents to dinner at their favorite restaurant. The bill was $74,25. She wants to leave 16% of the total bill as a tip. How much should the tip be?Solve Applications of Percents In the following exercises, solve the applications of percents. When Hiro and his co-workers had lunch at a restaurant the bill was $90.50. They want to leave 18% of the total bill as a tip. How much should the tip be?Solve Applications of Percents In the following exercises, solve the applications of percents. Trong has 12% of each paycheck automatically deposited to his savings account. His last paycheck was $2,165. How much money was deposited to Trong's savings account?Solve Applications of Percents In the following exercises, solve the applications of percents. 125. Cherise deposits 8% of each paycheck into her retirement account. Her last paycheck was $1,485, How much did Cherise deposit into her retirement account?Solve Applications of Percents In the following exercises, solve the applications of percents. One serving of oatmeal has 8 grams of fiber, which is 33% of the recommended daily amount. What is the total recommended daily amount of fiber?Solve Applications of Percents In the following exercises, solve the applications of percents. 127. One serving of trail mix has 67 grams of carbohydrates, which is 22% of the recommended daily amount. What is the total recommended daily amount of carbohydrates?Solve Applications of Percents In the following exercises, solve the applications of percents. 128. A bacon cheeseburger at a popular fast food restaurant contains 2,070 milligrams (mg) of sodium, which is 86% of the recommended daily amount. What is the total recommended daily amount of sodium?Solve Applications of Percents In the following exercises, solve the applications of percents. A grilled chicken salad at a popular fast food restaurant contains 650 milligrams (mg) of sodium, which is 21% of the recommended daily amount. What is the total recommended daily amount of sodium?Solve Applications of Percents In the following exercises, solve the applications of percents. 130. The nutrition fact sheet at a fast food restaurant says the fish sandwich has 380 calories, and 171 calories are from fat, What percent of the total calories is from fat?Solve Applications of Percents In the following exercises, solve the applications of percents. The nutrition fact sheet at a fast food restaurant says a small portion of chicken nuggets has 190 calories, and 114 calories are from fat. What percent of the total calories is from fat?Solve Applications of Percents In the following exercises, solve the applications of percents. 132. Emma gets paid $3,000 per month. She pays $750 a month for rent. What percent of her monthly pay goes to rent?Solve Applications of Percents In the following exercises, solve the applications of percents. 133. Dimple gets paid $3,200 per month, She pays $960 a month for rent, What percent of her monthly pay goes to rent?Solve Applications of Percents In the following exercises, solve the applications of percents. Tamanika got a raise in her hourly pay, from $15,50 to $17.55. Find the percent increase.Solve Applications of Percents In the following exercises, solve the applications of percents. Ayodele got a raise in her hourly pay, from $24,50 to $25.48. Find the percent increase.Solve Applications of Percents In the following exercises, solve the applications of percents. Annual student fees at the University of California rose from about $4,000 in 2000 to about $9,000 in 2014. Find the percent increase.Solve Applications of Percents In the following exercises, solve the applications of percents. The price of a share of one stock rose from $12.50 to S50. Find the percent increase.Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. According to Time magazine (7/19/2011) annual global seafood consumption rose from 22 pounds per person in I960 to 38 pounds per person today. Find the percent increase, (Round to the nearest tenth of a percent.)Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. In one month, the median home price in the Northeast rose from $225,400 to $241,500. Find the percent increase. (Round to the nearest tenth of a percent.)Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. A grocery store reduced the price of a loaf of bread from $2.80 to $2,73. Find the percent decrease.Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. The price of a share of one stock fell from $8.75 to $8.54. Find the percent decrease.Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. Hernando's salary was $49,500 last year. This year his salary was cut to 544,055. Find the percent decrease.Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. From 2000 to 2010, the population of Detroit fell from about 951,000 to about 714,000. Find the percent decrease. (Round to the nearest tenth of a percent.)Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. In one month, the median home price in the West fell from $203,400 to $192,300. Find the percent decrease. (Round to the nearest tenth of a percent.)Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. Sales of video games and consoles fell from $1,150 million to $1,030 million in one year. Find the percent decrease. (Round to the nearest tenth of a percent.)Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. Tipping At the campus coffee cart, a medium coffee costs $1.65. MaryAnne brings $2.00 with her when she buys a cup of coffee and leaves the change as a tip. What percent tip does she leave?Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. Late Fees Alison was late paying her credit card bill of $249. She was charged a 5% late fee. What was the amount of the late fee?Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. Without solving the problem “44 is 80% of what number", think about what the solution might be. Should it be a number that is greater than 44 or less than 44? Explain your reasoning.Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. Without solving the problem ' What is 20% of 300?” think about what the solution might be. Should it be a number that is greater than 300 or less than 300? Explain your reasoning.Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. After returning from vacation, Alex said he should have packed 50% fewer shorts and 200% more shirts. Explain what Alex meant.Find the percent increase and percent Decrease In the following exercises, find the percent increase or percent decrease. Because of road construction in one city, commuters were advised to plan their Monday morning commute to take 150% of their usual commuting time. Explain what this means.TRY IT:: 6.49 Find (a) the sales tax and (b) the total cost: Alexandra bought a television set for $724 in 724 in Boxton, where the sales tax rate was 6.25% of the purchase price.TRY IT:: 6.50 Find (a) the sales tax and (b) the total cost: Kim bought a winter coat for $250 in St. Louis, where the sales tax rate was 8.2% of the purchase price.TRY IT:: 6 51 Diego bought a new car for $26,525. He was surprised that the dealer then added $2,387.25. What was the sales tax rate for this purchase?TRY IT:: 6.52 What is the sales tax rate if a $7,594 purchase will have $569.55 of sales tax added to it?TRY IT :: 6.53 Bob is a travel agent He receives 7% commission when he books a cruise for a customer. How much commission will he receive for booking a &3,900 cruise?TRY IT:: 6 54 Fernando receives 18% commission when he makes a computer sale. How much commission will he receive for selling a computer for $2,190?TRY IT:: 6.55 Homer received $1,140 commission when he sold a car for $28,500. What rate of commission did he get?TRY IT :: 6.56 Marta bought a dishwasher that was on sale for $75 off. The original price of the dishwasher was $525. What rate of commission did she get?TRY IT :: 6.57 Marta bought a dishwasher that was on sale for $75 off. The original price of the dishwasher was $525. What was the sale price of the dishwasher?TRY IT :: 6.58 Orlando bought a pair of shoes that was on sale for $30 off. The original price of the shoes was $112. What the sale price of the shoes?TRY IT :: 6.59 Find (a) the amount of discount and (b) the sale price: Sergio bought a belt that was discounted 40% from an original price of $29?TRY IT:: 6.60 Find (a) the amount of discount and (b) the sale price: Oscar bought a barbecue grill that was discounted 65% from an original price of $395.TRY IT :: 6.61 Find (a) the amount of discount and (b) the discount rate: Lena bought a kitchen table at the sale price of $375.20. The original price of the table was $560.TRY IT :: 6.62 Find (a) the amount of discount and (b) the discount rate: Nick bought a multi-room air conditioner at a sale price of $340. The original price of the air conditioner was $400.TRY IT:: 6 63 Jim's music store bought a guitar at wholesale price $1,200. Jim marked the price up 50%. Find the (a) amount of mark-up and (b) the list price.TRY IT :: 6.64 The Auto Resale Store bought Pablo's Toyota for $8,500. They marked the price up 35%. Find the (a) amount of mark-up and (b) the list price.Solve Sales Tax Applications In the following exercises, find (a) the sales tax and (b) the total cost The cost of a pair of boots was $84. The sales tax rate is 5% of the purchase price.Solve Sales Tax Applications In the following exercises, find (a) the sales tax and (b) the total cost The cost of a refrigerator was $1,242. The sales tax rate is 8% of the purchase price.Solve Sales Tax Applications In the following exercises, find (a) the sales tax and (b) the total cost The cost of a microwave oven was $129. The sales tax rate is 7.5% of the purchase price.Solve Sales Tax Applications In the following exercises, find (a) the sales tax and (b) the total cost The cost of a tablet computer is $350. The sales tax rate is 8.5% of the purchase price.Solve Sales Tax Applications In the following exercises, find (a) the sales tax and (b) the total cost The cost of a file cabinet is $250. The sales tax rate is 6.85% of the purchase price.Solve Sales Tax Applications In the following exercises, find (a) the sales tax and (b) the total cost The cost of a luggage set $400, The sales tax rate is 5.75% of the purchase price.Solve Sales Tax Applications In the following exercises, find (a) the sales tax and (b) the total cost The cost of a 6 -drawer dresser $1,199. The sales tax rate is 5.125% of the purchase price.Solve Sales Tax Applications In the following exercises, find (a) the sales tax and (b) the total cost The cost of a sofa is $1350. The sales tax rate is 4,225% of the purchase price.In the following exercises, find the sales tax rate. Shawna bought a mixer for $300. The sales tax on the purchase was $19.50.In the following exercises, find the sales tax rate. Orphia bought a coffee table for $400. The sales tax on the purchase was $38.In the following exercises, find the sales tax rate. Bopha bought a bedroom set for $3,600. The sales tax or the purchase was $246,60.In the following exercises, find the sales tax rate. . Ruth bought a washer and dryer set for $2,100. The sales tax on the purchase was $152.25.Solve Commission Applications In the following exercises, find the commission. Christopher sold his dinette set for $225 through an online site, which charged him 9% of the selling price as commission. How much was the commission?Solve Commission Applications In the following exercises, find the commission. Michele rented a booth at a craft fair, which charged her 8% commission on her sales. One day her total sales were $193. How much was the commission?Solve Commission Applications In the following exercises, find the commission. Farrah works in a jewelry store and receives 12% commission when she makes a sale. How much commission will she receive for selling a $8,125 ring?Solve Commission Applications In the following exercises, find the commission. Jamal works at a car dealership and receives 9% commission when he sells a car. How much commission will he receive for selling a $32,575 car?Solve Commission Applications In the following exercises, find the commission. Hector receives 17.5% commission when he sells an insurance policy. How much commission will he receive for selling a policy for $4,910?Solve Commission Applications In the following exercises, find the commission. Denise receives 10.5% commission when she books a tour at the travel agency. How much commission will she receive for booking a tour with total cost $7,420.Solve Commission Applications In the following exercises, find the commission. Dontay is a realtor and earned $11,250 commission on the sale of a $375,000 house. What is his rate of commission?Solve Commission Applications In the following exercises, find the commission. Nevaeh is a cruise specialist and earned $364 commission after booking a cruise that cost $5,200. What is her rate of commission?Solve Commission Applications In the following exercises, find the commission. As a waitress, Emily earned $420 in tips on sales of $2,625 last Saturday night. What was her rate of commission?Solve Commission Applications In the following exercises, find the commission. Alejandra earned $1393.74 commission on weekly sales of $15,486 as a salesperson at the computer store. What is her rate of commission?Solve Commission Applications In the following exercises, find the commission. Maureen earned $7,052.50 commission when she sold a $45,500 car. What was the rate of commission?Solve Commission Applications In the following exercises, find the commission. Lucas earned $4,487.50 commission when he brought a $35,900 job to his office. What was the rate of commission?Solve Commission Applications In the following exercises, find the commission. Perla bought a cellphone that was on sale for S5G off. The original price of the cellphone was $189.Solve Commission Applications In the following exercises, find the commission. Sophie saw a dress she liked on sale for $15 off. The original price of the dress was $96.Solve Commission Applications In the following exercises, find the commission. Rick wants to buy a tool set with original price $165. Next week the tool set will be on sale for 40% off.Solve Commission Applications In the following exercises, find the commission. Angelo's store is having a sale on TV sets. One set with an original price of $859, is selling for $125 off.Solve Commission Applications In the following exercises, find (a) the amount of discount and (b) the sale price. Janelle bought a beach chair on sale at 60% off. The original price was $44.95.Solve Commission Applications In the following exercises, find (a) the amount of discount and (b) the sale price. Errol bought a skateboard helmet on sale at 40% off. The original price was $49.95.Solve Commission Applications In the following exercises, find (a) the amount of discount and (b) the sale price. Kathy wants to buy a camera that lists for $389. The camera is on sale with a 33% discount.Solve Commission Applications In the following exercises, find (a) the amount of discount and (b) the sale price. Collen bought a suit that was discounted 25% from an original price of $245.Solve Commission Applications In the following exercises, find (a) the amount of discount and (b) the sale price. Erys brought a treadmill on sale at 35% off. The original price was $989.95.Solve Commission Applications In the following exercises, find (a) the amount of discount and (b) the sale price. Jay bought a guitar on sale at 45% off. The original price was $514.75.Solve Discount Applications In the following exercises, find @ the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) 186. Larry and Donna bought a sofa at the sale price of $1344. The original price of the sofa was $L920.Solve Discount Applications In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Hiroshi bought a lawnmower at the sale price of $240. The original price of the lawnmower is $300.Solve Discount Applications In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Patty bought a baby stroller on sale for $301.75. The original price of the stroller was $355.Solve Discount Applications In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Bill found a book he wanted on sale for $20.80. The original price of the book was $32.Solve Discount Applications In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Nikki bought a patio set on sale for $480. The original price was $850.Solve Discount Applications In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Stella bought a dinette set on sale for $725. The original price was $1,299.Solve Discount Applications In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Daria bought a bracelet at wholesale cost $16 to sell in her handicraft store. She marked the price up 45%.Solve Mark-up Applications In the following exercises, find (a) the amount of mark-up and (b) the list price. Regina bought a handmade quilt at wholesale cost $120 to sell in her quilt store* She marked the price up 55%.Solve Mark-up Applications In the following exercises, find (a) the amount of mark-up and (b) the list price. Tom paid $0.60 a pound for tomatoes to sell at his produce store. He added a 33% mark-up.Solve Mark-up Applications In the following exercises, find (a) the amount of mark-up and (b) the list price. Flora paid her supplier $0.74 a stem for roses to sell at her flower shop, She added an 85% mark-up.Solve Mark-up Applications In the following exercises, find (a) the amount of mark-up and (b) the list price. Alan bought a used bicycle for $115. After re-conditioning it, he added 225% mark-up and then advertised it for sale.Solve Mark-up Applications In the following exercises, find (a) the amount of mark-up and (b) the list price. Michael bought a classic car for $8,500. He restored it, then added 150% mark-up before advertising it for sale.Solve Mark-up Applications In the following exercises, find (a) the amount of mark-up and (b) the list price. Coupons Yvonne can use two coupons for the same purchase at her favorite department store. One coupon gives her $20 off and the other gives her 25% off. She wants to buy a bedspread that sells for $195. (a) Calculate the discount price if Yvonne uses the $20 coupon first and then takes 25% off. (b) Calculate the discount price if Yvonne uses the 25% off coupon first and then uses the 20% coupon. (c) In which order should Yvonne use the coupons?Solve Mark-up Applications In the following exercises, find (a) the amount of mark-up and (b) the list price. Cash Back Jason can buy a bag of dog food for $35 at two different stores. One store offers 6% cash back on the purchase plus $5 off his next purchase. The other store offers 20% cash back. (a) Calculate the total savings from the first store, including the savings on the next purchase. (b) Calculate the total savings from the second store. (c) Which store should Jason buy the dog food from? Why?Solve Mark-up Applications In the following exercises, find (a) the amount of mark-up and (b) the list price. Priam bought a jacket that was on sale for 40% off. The original price of the jacket was $150. While the sales clerk figured the price by calculating the amount of discount and then subtracting that amount from SI50, Priam found the price faster by calculating 60% of $150. (a) Explain why Priam was correct. (b) Will Priam's method work for any original price?Solve Mark-up Applications In the following exercises, find (a) the amount of mark-up and (b) the list price. Roxy bought a scarf on sale for 50% off. The original price of the scarf was $32.90. Roxy claimed that the price she paid for the scarf was the same as the amount she saved. Was Roxy correct? Explain.TRY IT:: 6 65 Find the simple interest earned after 4 years on $800 at an interest rate of 5%.TRY IT:: 6 66 Find the simple interest earned after 2 years on $700 at an interest rate of 4%TRY IT:: 6.67 Find the principal invested if $495 interest was earned in 3 years at an interest rate of 6%.TRY IT :: 6.68 Find the principal invested if $1,246 interest was earned in 5 years at an interest rate of 7%.TRY IT:: 6.69 Find the rate if a principal of $5,000 earned $1,350 interest in 6 yearsTRY IT ::6.70 Find the rate if a principal of $9,000 earned $1,755 interest in 3 yearsTRY IT:: 6.71 Areli invested a principal of $950 in her bank account with interest rate 3%. How much interest did she earn in 5 years?TRY IT:: 6.72 Susana invested a principal of $36,000 in her bank account with interest rate 6.5%. How much interest did she earn in 3 years?TRY IT :: 6.73 Jim lent his sister $5,000 to help her buy a house. In 3 years, she paid him the $5,000, plus $900 interest. What was the rate of interest?TRY IT :: 674 Hang borrowed $7,500 from her parents to pay her tuition. In 5 years, she paid them $1,500 interest in addition to the $7,500 she borrowed. What was the rate of interest?TRY IT:: 6 75 Sean's new car loan statement said he would pay $4,866.25 in interest from an interest rate of 8.5% over 5 years. How much did he borrow to buy his new car?TRY IT:: 6 76 In 5 years, Gloria's bank account earned $2,400 interest at 5%. How much had she deposited in the account?TRY IT:: 6 77 Adriana invested $4,500 for 8 months in an account that paid 1.9% interest. How much interest did she earn?TRY IT:: 6.78 Milton invested $2,460 for 20 months in an account that paid 3.5% interest How much interest did he earn?Use the Simple Interest Formula In the following exercises, use the simple interest formula to fill in the missing information. 202. Table 6.5Use the Simple Interest Formula In the following exercises, use the simple interest formula to fill in the missing information. Table 6.6Use the Simple Interest Formula In the following exercises, use the simple interest formula to fill in the missing information. 204. Table 6.7Use the Simple Interest Formula In the following exercises, use the simple interest formula to fill in the missing information. 205 Table 6.8Use the Simple Interest Formula In the following exercises, use the simple interest formula to fill in the missing information. 206. Table 6.9Use the Simple Interest Formula In the following exercises, use the simple interest formula to fill in the missing information. 207. Table 6.10In the following exercises, solve the problem using the simple interest formula. Find the simple interest earned after 5 years on $600 at an interest rate of 3%.In the following exercises, solve the problem using the simple interest formula. Find the simple interest earned after 4 years on S900 at an interest rate of 6%.In the following exercises, solve the problem using the simple interest formula. Find the simple interest earned after 2 years on $8:950 at an interest rate of 3.24%.In the following exercises, solve the problem using the simple interest formula. Find the simple interest earned after 3 years on $6,510 at an interest rate of 2,85%.In the following exercises, solve the problem using the simple interest formula. Find the simple interest earned after 8 years on $15,500 at an interest rate of 11.425%.In the following exercises, solve the problem using the simple interest formula. Find the simple interest earned after 6 years on $23,900 at an interest rate of 12.175%.In the following exercises, solve the problem using the simple interest formula. Find the principal invested if $656 interest was earned in 5 years at an interest rate of 4%.In the following exercises, solve the problem using the simple interest formula. Find the principal invested if $177 interest was earned in 2 years at an interest rate of 3%.In the following exercises, solve the problem using the simple interest formula. Find the principal invested if $70.95 interest was earned in 3 years at an interest rate of 2.75%.In the following exercises, solve the problem using the simple interest formula. Find the principal invested if $636.84 interest was earned in 6 years at an interest rate of 4.35%.In the following exercises, solve the problem using the simple interest formula. Find the principal invested if $15,222.57 interest was earned In 6 years at an interest rate of 10.28%.In the following exercises, solve the problem using the simple interest formula. Find the principal invested if $10,953.70 interest was earned in 5 years at an interest rate of 11.04%.In the following exercises, solve the problem using the simple interest formula. Find the rate if a principal of $5,400 earned $432 interest in 2 years.In the following exercises, solve the problem using the simple interest formula. Find the rate if a principal of $2,600 earned $468 interest in 6 years.In the following exercises, solve the problem using the simple interest formula. Find the rate if a principal of $11,000 earned $1,815 interest in 3 years.In the following exercises, solve the problem using the simple interest formula. Find the rate if a principal of $8,500 earned $3,230 interest in 4 years.Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Casey deposited $1,450 in a bank account with interest rate 4%. How much interest was earned in 2 years?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Terrence deposited $5,720 in a bank account with interest rate 6%. How much interest was earned in 4 years?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Robin deposited $31,000 in a bank account with interest rate 5.2%. How much interest was earned in 3 years?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Carleen deposited $16,400 in a bank account with interest rate 3.9%. How much interest was earned in 8 years?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Hilaria borrowed $8,000 from her grandfather to pay for college. Five years later, she paid him back the $8,000, plus $1:200 interest. What was the rate of interest?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Kenneth lent his niece $1,200 to buy a computer. Two years later, she paid him back the $1,200, plus S96 interest. What was the rate of interest?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Lebron lent his daughter $20,(WO to help her buy a condominium. When she sold the condominium four years later, she paid him the $20,000, plus $3,000 interest. What was the rate of interest?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Pablo borrowed $50,000 to start a business. Three years later, he repaid the $50:000, plus $9,375 interest?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. In 10 years, a bank account $18,375 interest. What was the principal of the account?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. In 25 years, a bond that paid 4.75% earned $2,375 interest. What was the principal of the bond?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Joshua’s computer loan statement said he would pay $1,244.34 in interest for a 3 year loan at 12.4%. How much did Joshua borrow to buy the computer?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Margaret's car loan statement said she would pay $7,683.20 in interest for a 5 year loan at 9.8%. How much did Margaret borrow to buy the car?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Caitlin invested $8,200 in an 18-month certificate of deposit paying 2.7% interest. How much interest did she earn form this investment?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Diego invested $6,100 in a 9-month certificate of deposit paying 1.8% interest. How much interest did he earn form this investment?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Airin borrowed $3,900 from her parents for the down payment on a car and promised to pay them back in 15 months at a 4% rate of interest. How much interest did she owe her parents?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Yuta borrowed $840 from his brother to pay for his textbooks and promised to pay him back in 5 months at a 6% rate of interest, How much interest did Yuta owe his brother?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Interest on savings Find the interest rate your local bank pays on savings accounts. (a) What is the interest rate? (b) Calculate the amount of interest you would earn on a principal of $8,000 for 5 years.Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. 241. Interest on a loan Find the interest rate your local bank charges for a car loan. (a) What is the interest rate? (b) Calculate the amount of interest you would pay on a loan of $8,000 for 5 years.Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. . Why do banks pay interest on money deposited in savings accounts?Solve Simple Interest Applications In the following exercises, solve the problem using the simple interest formula. Why do banks charge interest for lending money?TRY IT:: 6.79 Write each sentence as a proportion: (a) 5 is to 9 as 20 is to 36. (b) 7 hits in 11 at-bats is the same as 28 hits in 44 at-bats. (c) $2.50 for 8 ounces is equivalent to $3.75 for 12 ounces.TRY IT :: 6.80 Write each sentence as a proportion: (a) 6 is to 7 as 36 is to 42. (b) 8 adults for 36 children is the same as 12 adults for 54 children. (c) $3.75 for 6 ounces is equivalent to $2.50 for 4 ounces.TRY IT :: 6.81 Determine whether each equation is a proportion: (a) 79=5472 (b) 24.545.5=713TRY IT :: 6.82 Determine whether each equation is a proportion: (a) 89=5673 (b) 28.552.5=815TRY IT :: 6.83 Solve the proportion: n84=1112 .TRY IT :: 6.84 Solve the proportion: y96=1312 .TRY IT :: 6.85 Solve the proportion: 91b=75 .TRY IT :: 6.86 Solve the proportion: 39c=138 .TRY IT :: 6.87 Solve the proportion: 8498=6x .TRY IT :: 6.88 Solve the proportion: 7y=105135 .Try IT :: 6.89 Pediatricians prescribe 5 milliliters (ml) of acetaminophen for every 25 pounds of a child's weight. How many milliliters of acetaminophen will the doctor prescribe for Emilia, who weighs 60 pounds?TRY IT :: 6.90 For every 1 kilogram (kg) of a child's weight, pediatricians prescribe 15 milligrams (mg) of a fever reducer. If Isabella weighs 12 kg, how many milligrams of the fever reducer will the pediatrician prescribe?TRY IT :: 6.91 Marissa loves the Caramel Macchiato at the coffee shop. The 16 oz. medium size has 240 calories. How many calories will she get if she drinks the large 20 oz. size?TRY IT :: 6.92 Yaneli loves Starburst candies, but wants to keep her snacks to 100 calories. If the candies have 160 calories for 8 pieces, how many pieces can she have in her snack?TRY IT :: 6.93 Yurianna is going to Europe and wants to change $800 dollars into Euros. At the current exchange rate, $1 US is equal to 0.738 Euro. How many Euros will she have for her trip?TRY IT :: 6.94 Corey and Nicole are traveling to Japan and need to exchange $600 into Japanese yen. If each dollar is 94.1 yen, how many yen will they get?TRY IT :: 6.95 Translate to a proportion: What number is 60% of 105?TRY IT :: 6.96 Translate to a proportion: What number is 40% of 85?TRY IT :: 6.97 Translate to a proportion: 36 is 25% of what number?:: 6.98 Translate to a proportion: 27 is 36% of what number?TRY IT :: 6.99 Translate to a proportion: What percent of 52 is 39 ?TRY IT :: 6,100 Translate to a proportion: What percent of 92 is 23 ?TRY IT:: 6.101 Translate and solve using proportions: What number is65% of 40?TRY IT:: 6.102 Translate and solve using proportions: What number is 85% of 40?TRY IT:: 6.103 Translate and solve using proportions: 125% of 64 is number?TRY IT:: 6.104 Translate and solve using proportions: 175% of 84 is number?TRY IT:: 6.103 Translate and solve using proportions: 85% of what number is $3.23?TRY IT:: 6.106 Translate and solve using proportions: 7.25% of what number is $43.64?TRY IT:: 6.107 Translate and solve using proportions: What percent of 72 to 27?TRY IT :: 6.108 Translate and solve using proportions: What percent of 92 is 23?Use the Definition of Proportion In the following exercises, write each sentence as a proportion. 4 is to 15 as 36 is to 135.Use the Definition of Proportion In the following exercises, write each sentence as a proportion. 7 is to 9 as 35 is to 45.Use the Definition of Proportion In the following exercises, write each sentence as a proportion. 12 is to 5 as 96 is to 40.Use the Definition of Proportion In the following exercises, write each sentence as a proportion. 15 is to 8 as 75 is to 40.Use the Definition of Proportion In the following exercises, write each sentence as a proportion. 248. 5 wins in 7 games is the same as 115 wins in 161 games.Use the Definition of Proportion In the following exercises, write each sentence as a proportion. 4 wins in 9 games is the same as 36 wins in 81 games.Use the Definition of Proportion In the following exercises, write each sentence as a proportion. 8 campers to 1 counselor is the same as 48 campers to 6 counselors.Use the Definition of Proportion In the following exercises, write each sentence as a proportion. 6 campers to 1 counselor is the same as 48 campers to 8 counselors.Use the Definition of Proportion In the following exercises, write each sentence as a proportion. $9.36 for IS ounces is the same as $2.60 for 5 ounces.Use the Definition of Proportion In the following exercises, write each sentence as a proportion. $3.92 for 8 ounces is the same as $1.47 for 3 ounces.Use the Definition of Proportion In the following exercises, write each sentence as a proportion. $18.04 for 11 pounds is the same as $4.92 for 3 pounds.Use the Definition of Proportion In the following exercises, write each sentence as a proportion. $12.42 for 27 pounds is the same as $5.52 for 12 pounds.In the following exercises, determine whether each equation is a proportion. 715=56120In the following exercises, determine whether each equation is a proportion. 512=45108In the following exercises, determine whether each equation is a proportion. 116=2116In the following exercises, determine whether each equation is a proportion. 94=3934In the following exercises, determine whether each equation is a proportion. 1218=4,997.56In the following exercises, determine whether each equation is a proportion. 916=2.163.89In the following exercises, determine whether each equation is a proportion. 13.58.5=31.0519.55In the following exercises, determine whether each equation is a proportion. 10.18.4=3.032.52Solve Proportions In the following exercises, solve each proportion. x56=78Solve Proportions In the following exercises, solve each proportion. n91=813Solve Proportions In the following exercises, solve each proportion. 4963=z9Solve Proportions In the following exercises, solve each proportion. 5672=y9Solve Proportions In the following exercises, solve each proportion. 5a=65117Solve Proportions In the following exercises, solve each proportion. 4b=64144Solve Proportions In the following exercises, solve each proportion. 98154=7pSolve Proportions In the following exercises, solve each proportion. 72156=6qSolve Proportions In the following exercises, solve each proportion. a8=4248Solve Proportions In the following exercises, solve each proportion. b7=3042Solve Proportions In the following exercises, solve each proportion. 274.2.63.9=c3Solve Proportions In the following exercises, solve each proportion. 275.2.73.6=d4Solve Proportions In the following exercises, solve each proportion. 276.2.7j=0.90.2Solve Proportions In the following exercises, solve each proportion. 277.2.8k=2.11.5Solve Proportions In the following exercises, solve each proportion. 278.121=m8Solve Proportions In the following exercises, solve each proportion. 279.133=9nSolve Applications using proportions In the following exercises, solve the proportion problem. Pediatricians prescribe 5 milliliters (ml) of acetaminophen for every 25 pounds of a child's weight How many milliliters of acetaminophen will the doctor prescribe for Jocelyn, who weighs 45 pounds?Solve Applications using proportions In the following exercises, solve the proportion problem. Brianna, who weighs 6 kg, just received her shots and needs a pain killer. The pain killer is milligrams (mg) for every 1 kilogram (kg) of the child's weight. How many milligrams will the doctor prescribe?Solve Applications using proportions In the following exercises, solve the proportion problem. At the gym, Carol takes her pulse for 10 sec and counts 19 beats. How many beats per minute is this? Has Carol met her target heart rate of 140 beats per minute?Solve Applications using proportions In the following exercises, solve the proportion problem. Kevin wants to keep his heart rate at 160 beats per minute while training. During his workout he counts 27 beats in 10 seconds. How many beats per minute is this? Has Kevin met his target heart rate?Solve Applications using proportions In the following exercises, solve the proportion problem. A new energy drink advertises 106 calories for 8 ounces. How many calories are in 12 ounces of the drink?Solve Applications using proportions In the following exercises, solve the proportion problem. One 12 ounce can of soda has 150 calories. If Josiah drinks the big 32 ounce size from the local mini-mart, how many calories does he get?Solve Applications using proportions In the following exercises, solve the proportion problem. Karen eats 12 cup of oatmeal that counts for 2 points on her weight loss program. Her husband, Joe, can have 3 points of oatmeal for breakfast. How much oatmeal can he have?Solve Applications using proportions In the following exercises, solve the proportion problem. An oatmeal cookie recipe calls for 12 cup of butter to make 4 dozen cookies. Hilda needs to make 10 dozen cookies for the bake sale. How many cups of butter will she need?Solve Applications using proportions In the following exercises, solve the proportion problem. Janice is traveling to Canada and will change $250 US dollars into Canadian dollars. At the current exchange rate, $1 US is equal to $1.01 Canadian. How many Canadian dollars will she get for her trip?Solve Applications using proportions In the following exercises, solve the proportion problem. Todd is traveling to Mexico and needs to exchange $450 into Mexican pesos. If each dollar is worth 12.29 pesos, how many pesos will he get for his trip?Solve Applications using proportions In the following exercises, solve the proportion problem. Steve changed $600 into 480 Euros. How many Euros did he receive per U dollar?Solve Applications using proportions In the following exercises, solve the proportion problem. Martha changed $350 US into 385 Australian dollars. How many Australian dollars did she receive per US dollar?Solve Applications using proportions In the following exercises, solve the proportion problem. At the laundromat, Lucy changed $12.00 into quarters. How many quarters did she get?Solve Applications using proportions In the following exercises, solve the proportion problem. When she arrived at a casino, Gerty changed $20 into nickels. How many nickels did she get?Solve Applications using proportions In the following exercises, solve the proportion problem. Jesse's car gets 30 miles per gallon of gas. If Las Vegas is 285 miles away, how many gallons of gas are needed to get there and then home? If gas is $3.09 per gallon, what is the total cost of the gas for the trip?Solve Applications using proportions In the following exercises, solve the proportion problem. Danny wants to drive to Phoenix to see his grandfather. Phoenix is 370 miles from Danny's home and his car gets 18.5 miles per gallon. How many gallons of gas will Danny need to get to and from Phoenix? If gas is $3.19 per gallon, what is the total cost for the gas to drive to see his grandfather?Solve Applications using proportions In the following exercises, solve the proportion problem. Hugh leaves early one morning to drive from his home in Chicago to go to Mount Rushmore, 812 miles away. After 3 hours, he has gone 190 miles. At that rate, how long will the whole drive take?Solve Applications using proportions In the following exercises, solve the proportion problem. Kelly leaves her home in Seattle to drive to Spokane, a distance of 280 miles. After 2 hours, she has gone 152 miles. At that rate, how long will the whole drive take?Solve Applications using proportions In the following exercises, solve the proportion problem. Phil wants to fertilize his lawn. Each bag of fertilizer covers about 4,000 square feet of lawn. Phil's lawn is approximately 13,500 square feet. How many bags of fertilizer will he have tobuy?Solve Applications using proportions In the following exercises, solve the proportion problem. April wants to paint the exterior of her house. One gallon of paint covers about 350 square feet, and the exterior of the house measures approximately 2000 square feet. How many gallons of paint will she have to buy?Write Percent Equations as Proportions In the following exercises, translate to a proportion. What number is 35% of 250?Write Percent Equations as Proportions In the following exercises, translate to a proportion. What number is 75% of 920?Write Percent Equations as Proportions In the following exercises, translate to a proportion. What number is 110% of 47?Write Percent Equations as Proportions In the following exercises, translate to a proportion. What number is 150% of 64?Write Percent Equations as Proportions In the following exercises, translate to a proportion. 45 is 30% of what number?Write Percent Equations as Proportions In the following exercises, translate to a proportion. 25 is 80% of what number?Write Percent Equations as Proportions In the following exercises, translate to a proportion. 90 is 150% of what number?Write Percent Equations as Proportions In the following exercises, translate to a proportion. 77 is 110% of what number?Write Percent Equations as Proportions In the following exercises, translate to a proportion. What percent of 85 is 17?Write Percent Equations as Proportions In the following exercises, translate to a proportion. What percent of 92 is 46?Write Percent Equations as Proportions In the following exercises, translate to a proportion. What percent of 260 is 340?W Write Percent Equations as Proportions In the following exercises, translate to a proportion. What percent of 180 is 220?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. What number is 65% of 180?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. What number is 55% of 300?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. 18% of 92 is what number?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. 22% of 74 is what number?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. 175% of26 is what number?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. 250% of 61 is what number?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. What is 300% of 488?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. What is 500% of 315?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. 17% of 74 is what number is $7.65?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. 19% of what number is $6.46?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. $13.53 is 8.25% of what number?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. $18.12 is 1.55% of what number?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. What percent of 56 is 14?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. What percent of 80 is 28?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. What percent of 96 is 12?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. What percent of 120 is 27?Translate and Solve Percent Proportions In the following exercises, translate and solve using proportions. Mixing a concentrate Sam bought a large bottle of concentrated cleaning solution at the warehouse store. He must mix the concentrate with water to make a solution for washing his windows. The directions tell him to mix 3 ounces of concentrate with 5 ounces of water. If he puts 12 ounces of concentrate in a bucket, how many ounces of water should he add? How many ounces of the solution will he have altogether?Mixing a concentrate Travis is going to wash his car. The directions on the bottle of car wash concentrate say to mix 2 ounces of concentrate with 15 ounces of water. If Travis puts 6 ounces of concentrate in a bucket, how much water must he mix with the concentrate?