Skip to main content

Bartleby Sitemap - Textbook Solutions

All Textbook Solutions for PREALGEBRA

Jim ran a l(X)-meter race in 12.32 seconds, Tim ran the same race in 12.3 seconds. Who had the faster time, Jim or Tim? How do you know?Gerry saw a sign advertising postcards marked for sale at “10 for 0*990c.” What is wrong with the advertised price?TRY IT : 5.21 Add: 5.7 + 11.9.TRY IT : 5.22 Add: 18.32 + 14.79.TRY IT : 5.23 Add: 4.8 + 11.69.TRY IT: : 5.24 Add: 5.123 + 18.47 TRY IT : 5.25 Subtract: 10 9.58.TRY IT : 5.26 Subtract: 50 37.42.TRY IT : 5.27 Subtract: 4.77 6.3.TRY IT : 5.28 Subtract: 8.12 11.7.TRY IT : 5.29 Multiply : 4.5(6.107).TRY IT : 5.30 Multiply: 10.79(8.12).TRY IT : 5.31 Multiply: (4.63)(-2.9).TRY IT : 5.31 Multiply: (-7.78)(4.9).TRY IT : 5.33 Multiply: (0.04)(0.087).TRY IT : 5.34 Multiply: (0.09)(0.067).TRY IT : 5.35 Multiply 2.58 by factors of (a) 10 (b) 100 (c) 1000.TRY IT : 5.36 Multiply 14.2 by factors of (a) 10 (b) 100 (c) 1000.TRY IT : 5.37 Divide: 0.28 4.TRY IT : 5.38 Divide: 0.56 7.TRY IT : 5.39 Divide: $6.99 36.TRY IT : 5.40 Divide: $4.99 12.TRY IT : 5.41 Divide: -1.989 5.1.TRY IT : 5.45 Divide: -2.04 5-1.TRY IT : 5.43 Divide: -23.492 (-0-04).TRY IT : 5.44 Divide: -4.11 (-0-12).TRY IT : 5.45 Divide: 6 0-03.TRY IT : 5.46 Divide: 7 0-02.TRY IT : 5 47 Nicole earned $35 for babysitting her cousins, then went to the bookstore and spent $18.48 coffee. How much of her babysitting money was left?TRY IT : 5 48 Amber bought a pair of shoes for $24.75 and a purse for $36.90. The sales tax was $4.32. How much did Amber spend?TRY IT : 5 49 Hector put 13 gallons of gas into his car. One gallon of gas costs $3.175. How much did Hector owe for the gas? Round to the nearest cent.TRY IT : 5 50 Christopher bought 5 pizzas for the team. Each pizza cost $9.75. How much did all the pizzas cost?TRY IT : 5 51 Six friends went out for dinner. The total cost of their dinner was $92.82. If they divide the bill equally, how much should each friend pay?TRY IT : 5.52 Chad worked 40 hours last week and his paycheck was $570. How much does he earn per hour?TRY IT : 5.53 Suzanne buys 3 cans of beans that cost $0.75 each and 6 cans of corn total cost of these groceries?TRY IT : 5.54 Lydia bought movie tickets for the family. She bought two adult tickets for $9.50 each and four children's tickets for $6.00 each. How much did the tickets cost Lydia in all?In the following exercises, add or subtract. 16.92 +7.56 In the following exercises, add or subtract. 18.37 + 9.36 In the following exercises, add or subtract. 256.37 85.49 In the following exercises, add or subtract. 248.25 91.29 In the following exercises, add or subtract. 21.76 30.99 In the following exercises, add or subtract. 15.35 20.88 In the following exercises, add or subtract. 37.5 + 12.23 In the following exercises, add or subtract. 38.6 + 13.67 In the following exercises, add or subtract. -16.53 24.38 In the following exercises, add or subtract. -19.47 32.58 In the following exercises, add or subtract. -38.69 + 31.47 In the following exercises, add or subtract. 29.83 + 19.76 In the following exercises, add or subtract. -4.2 + (-9.3)In the following exercises, add or subtract. -8.6 + (-8.6)In the following exercises, add or subtract. 100 64.2 In the following exercises, add or subtract. 100 65.83 In the following exercises, add or subtract. 72.5 100 In the following exercises, add or subtract. 86.2 100 In the following exercises, add or subtract. 15 + 0.73 In the following exercises, add or subtract. 27 + 0.87 In the following exercises, add or subtract. 2.51 + 40.In the following exercises, add or subtract. 9.38 + 60.In the following exercises, add or subtract. 91.745 — ( 10.462)In the following exercises, add or subtract. 94.69 ( 12.678)In the following exercises, add or subtract. 55.01 3.7 In the following exercises, add or subtract. 59.08 4.6 In the following exercises, add or subtract. 2.51 7.4 In the following exercises, add or subtract. 3.84 6.1 In the following exercises, multiply. (0.3) (0.4)In the following exercises, multiply. (0.6) (0.7)In the following exercises, multiply. (0.24)(0.6)In the following exercises, multiply. (0.81)(0.3)In the following exercises, multiply. (5.9)(7.12)In the following exercises, multiply. (2.3)(9.41)In the following exercises, multiply. (8.52)(3.14)In the following exercises, multiply. (5.32)(4.86)In the following exercises, multiply. (-4.3) (2.71)In the following exercises, multiply. (-8.5) (1.69)In the following exercises, multiply. (-5.18)(-65.23)In the following exercises, multiply. (-9.16) (-68.34)In the following exercises, multiply. (0.09)(24.78)In the following exercises, multiply. (0.04)(36.89)In the following exercises, multiply. (0.06)(21.75)In the following exercises, multiply. (0.08)(52.45)In the following exercises, multiply. (9.24)(10)In the following exercises, multiply. (6.531)(10)In the following exercises, multiply. (55.2)(1,000)In the following exercises, multiply. (99.4)(1,000)In the following exercises, divide. 0.15 5 In the following exercises, divide. 0.27 3 In the following exercises, divide. 4.75 25 In the following exercises, divide. 12.04 43 In the following exercises, divide. $8.49 12 In the following exercises, divide. $16.99 9 In the following exercises, divide. $1174.25 48 In the following exercises, divide. $109.24 36 In the following exercises, divide. 0.6 0.2 In the following exercises, divide. 0.8 0.4 In the following exercises, divide. 1.44 (-0.3)In the following exercises, divide. 1.25 (-0.5)In the following exercises, divide. 1.75 (-0.05)In the following exercises, divide. -1.15 (-0.05)In the following exercises, divide. 5.2 2.5 In the following exercises, divide. 6.5 3.25 In the following exercises, divide. 12 0.08 In the following exercises, divide. 5 0.04 In the following exercises, divide. 11 0.55 In the following exercises, divide. 14 0.35 In the following exercises, simplify. 6(12.4-9.2)In the following exercises, simplify. 3(15.7 — 8.6)In the following exercises, simplify. 24(0.5)+ (0.3)2 In the following exercises, simplify. 35(0.2) + (0.9)2 In the following exercises, simplify. 1.15(26.83+ 1.61)In the following exercises, simplify. 1.18(46.22 + 3.71)In the following exercises, simplify. $45 4- 0,08($45)In the following exercises, simplify. $63 + 0.18($63)In the following exercises, simplify.In the following exercises, simplify. 27 (0.55 + 0.35)In the following exercises, simplify. (1.43 +0.27) 0.9 0.05)In the following exercises, simplify. (1.5 0.06) (0.12 + 0.24)In the following exercises, simplify. [$75.42 + 0.18($75.42)]-r 5 In the following exercises, simplify. [$56,31 + 0.22($56.31)] 4 In the following exercises, use the strategy for applications to solve. Spending money Brenda got $40 from the ATM. She spent $15.11 on a pair of earrings. How much money did she have left?In the following exercises, use the strategy for applications to solve. Spending money Marissa found $20 in her pocket. She spent $4.82 on a smoothie. How much of the $20 did she have left?In the following exercises, use the strategy for applications to solve. Shopping Adam bought a t- shirt for $18,49 and a hook for $8.92 The sales tax was $1.65, How much did Adam spend?In the following exercises, use the strategy for applications to solve. Restaurant Roberto's restaurant bill was $20.45 for the entrée and $3.15 for the drink. He left a $4.40 tip. How much did Roberto spend?In the following exercises, use the strategy for applications to solve. Coupon Emily bought a box of cereal that cost $4.29. She had a coupon for SO.55 off, and the store doubled the coupon. How much did she pay for the box of cereal?In the following exercises, use the strategy for applications to solve. Coupon Diana bought a can of coffee that cost $7.99. She had a coupon for $0.75 off, and the store doubled the coupon. How much did she pay for the can of coffee?In the following exercises, use the strategy for applications to solve. Diet Leo took part in a diet program. He weighed 190 pounds at the start of the program. During the first week, he lost 4.3 pounds. During the second week, he had lost 2.8 pounds. The third week, he gained 0.7 pounds. The fourth week, he lost 1.9 pounds. What did Leo weigh at the end of the fourth week?In the following exercises, use the strategy for applications to solve. Snowpack On April 1, the snowpack at the ski resort was 4 meters deep, but the next few days were very warm. By April 5, the snow depth was 1.6 meters less. On April 8, it snowed and added 2.1 meters of snow. What was the total depth of the snow?In the following exercises, use the strategy for applications to solve. Coffee Noriko bought 4 coffees for herself and her co-workers. Each coffee was $3.75, How much did she pay for all the coffees?In the following exercises, use the strategy for applications to solve. Subway Fare Arianna spends $4.50 per day on subway fare. Last week she rode the subway 6 days. How much did she spend for the subway fares?In the following exercises, use the strategy for applications to solve. Income Mayra earns $9.25 per hour. Last week she worked 32 hours. How much did she earn?In the following exercises, use the strategy for applications to solve. Income Peter earns $8.75 per hour. Last week he worked 19 hours. How much did he earn?In the following exercises, use the strategy for applications to solve. Hourly Wage Alan got his first paycheck from his new job. He worked 30 hours and earned $382.50. How much does he earn per hour?In the following exercises, use the strategy for applications to solve. Hourly Wage Maria got her first paycheck from her new job. She worked 25 hours and earned $362.50. How much does she earn per hour?In the following exercises, use the strategy for applications to solve. Restaurant Jeannette and her friends love to order mud pie at their favorite restaurant. They always share just one piece of pie among themselves. With tax and tip, the total cost is $6.00. How much does each girl pay if the total number sharing the mud pie is 2? 3? 4? 5? 6?In the following exercises, use the strategy for applications to solve. Pizza Alex and his friends go out for pizza and video games once a week. They share the cost of a $15.60 pizza equally. How much does each person pay if the total number sharing the pizza is 2? 3? 4? 5? 6?In the following exercises, use the strategy for applications to solve. Fast Food At their favorite fast food restaurant, the Carlson family orders 4 burgers that cost $3.29 each and 2 orders of fries at S2.74 each. What is the total cost of the order?In the following exercises, use the strategy for applications to solve. Home Goods Chelsea needs towels to take with her to college. She buys 2 bath towels that cost $9.99 each and 6 washcloths that cost $2,99 each. What is the total cost for the bath towels and washcloths?In the following exercises, use the strategy for applications to solve. Zoo The Lewis and Chousmith families are planning to go to the zoo together. Adult tickets cost $29.95 and children's tickets cost $19.95. What will the total cost be for 4 adults and 7 children?In the following exercises, use the strategy for applications to solve. Ice Skating Jasmine wants to have her birthday party at the local ice skating rink. It will cost $8.25 per child and $12.95 per adult. What will the total cost be for 12 children and 3 adults? In the following exercises, use the strategy for applications to solve.In the following exercises, use the strategy for applications to solve. Paycheck Annie has two jobs. She gets paid $14,04 per hour for tutoring at City College and $8.75 per hour at a coffee shop. Last week she tutored for 8 hours and worked at the coffee shop for 15 hours. (a) How much did she earn? (b) If she had worked all 23 hours as a tutor instead of working both jobs, how much more would she have earned?In the following exercises, use the strategy for applications to solve. Paycheck Jake has two jobs. He gets paid $7.95 per hour at the college cafeteria and $20.25 at the art gallery. Last week he worked 12 hours at the cafeteria and 5 hours at the art gallery. (a) How much did he earn? (b) If he had worked all 17 hours at the art gallery instead of working both jobs, how much more would he have earned?In the 2010 winter Olympics, two skiers took the silver and bronze medals in the Men's Super-G ski event. The silver medalist's time was 1 minute 30,62 seconds and bronze medalist’s time was 1 minute 30.65 seconds. Whose time was faster? Find the difference in their times and then write the name of that decimal.Find the quotient of 0.12 0.04 words all the steps taken.TRY IT : 5.55 Write the fraction as a decimal: 14 .TRY IT : 5.56 Write the fraction as a decimal: 38 .TRY IT : 5.57 Write the fraction as a decimal: 94 .TRY IT : 5.58 Write the fraction as a decimal: 112 .TRY IT : 5.59 Write as a decimal: 2711 .TRY IT : 5.60 Write as a decimal: 5122 .TRY IT : 5.61 Simplify: 38+4.9 .TRY IT : 5.62 Simplify: 5.7+1320 .TRY IT : 5.63 Order each of the following pairs of numbers, using < or >. 17200.82 TRY IT : 5.64 Order each of the following pairs of numbers, using < or >. 240.785 TRY IT : 5.65 Order each of the following pairs of numbers, using < or >. 580.58 TRY IT : 5.66 Order each of the following pairs of numbers, using < or >. 0.531120 TRY IT : 5.67 Write each set of numbers in order from smallest to largest: 7 8 , 4 5 ,0.82.TRY IT : 5.68 Write each set of numbers in order from smallest to largest: 0.835 1316 , 34 .TRY IT : 5.69 Simplify: 8(14.6 37.5) 35 (9.6 2.1).TRY IT : 5.70 Simplify: 25(25.69 56.74) 27(11.9 4.2).TRY IT : 5.69 Simplify: 9 0.9 + (0.4)3 (0.2)2.TRY IT : 5.72 Simplify: (12)2+(0.3)(4.2) .TRY IT : 5.73 A circle has radius 50 inches, Approximate its (a) circumference and (b) area.TRY IT : 5.74 A circle has radius 100 feet. Approximate its (a) circumference and (b) area.TRY IT : 5.75 A circle has radius 51.8 centimeters. Approximate its (a) circumference and (b) area.TRY IT : 5.76 A circle has radius 26.4 meters. Approximate its (a) circumference and (b) area.TRY IT : 5.77 A circle has radius 521 meters. Approximate its (a) circumference and (b) area.TRY IT : 5.78 A circle has radius 1033 inches. Approximate its (a) circumference and (b) area.In the following exercises, convert each fraction to a decimal. 25 In the following exercises, convert each fraction to a decimal. 45 In the following exercises, convert each fraction to a decimal. 38 Y13In the following exercises, convert each fraction to a decimal. 58 In the following exercises, convert each fraction to a decimal. 1720 In the following exercises, convert each fraction to a decimal. 1320 In the following exercises, convert each fraction to a decimal. 114 In the following exercises, convert each fraction to a decimal. 174 In the following exercises, convert each fraction to a decimal. 31025 In the following exercises, convert each fraction to a decimal. 28425 In the following exercises, convert each fraction to a decimal. 59 In the following exercises, convert each fraction to a decimal. 29 In the following exercises, convert each fraction to a decimal. 1511 In the following exercises, convert each fraction to a decimal. 1811 In the following exercises, convert each fraction to a decimal. 15112 In the following exercises, convert each fraction to a decimal. 25111 In the following exercises, simplify the expression. 12+6.5 In the following exercises, simplify the expression. 14+10.75 In the following exercises, simplify the expression. 2.4+58 In the following exercises, simplify the expression. 3.9+920 In the following exercises, simplify the expression. 9.73+1720 In the following exercises, simplify the expression. 6.29+2140 In the following exercise, order each pair of numbers, using < or >. 180.8 In the following exercise, order each pair of numbers, using < or >. 140.4 In the following exercise, order each pair of numbers, using < or >. 250.25 In the following exercise, order each pair of numbers, using < or >. 350.35 In the following exercise, order each pair of numbers, using < or >. 0.72534 In the following exercise, order each pair of numbers, using < or >. 0.9278 In the following exercise, order each pair of numbers, using < or >. 0.6623 In the following exercise, order each pair of numbers, using < or >. 0.8356 In the following exercise, order each pair of numbers, using < or >. 0.7545 In the following exercise, order each pair of numbers, using < or >. 0.44920 In the following exercise, order each pair of numbers, using < or >. 340.925 In the following exercise, order each pair of numbers, using < or >. 230.632 In the following exercises, write each set of numbers in order from least to greatest. 35,916,0.55 In the following exercises, write each set of numbers in order from least to greatest. 38,720,0.36 In the following exercises, write each set of numbers in order from least to greatest. 0.702,1320,58 In the following exercises, write each set of numbers in order from least to greatest. 0.15,316,15 In the following exercises, write each set of numbers in order from least to greatest. 0.3,13,720 In the following exercises, write each set of numbers in order from least to greatest. 0.2,320,16 In the following exercises, write each set of numbers in order from least to greatest. 34,79,0.7 In the following exercises, write each set of numbers in order from least to greatest. 89,45,0.9 In the following exercises, simplify. 10(25.1 43.8)In the following exercises, simplify. 30(18.1 32.5)In the following exercises, simplify. 62(9.75 - 4.99)In the following exercises, simplify. 42(8.45 - 5.97)In the following exercises, simplify. 34(12.44.2)In the following exercises, simplify. 45(8.63.9)In the following exercises, simplify. 512(30.5817.9)In the following exercises, simplify. 916(21.969.8)In the following exercises, simplify. 100.1+(1.8)4(0.3)2 In the following exercises, simplify. 50.5+(3.9)6(0.7)2 In the following exercises, simplify. (37.1+52.7)(12.562.5)In the following exercises, simplify. (11.4+16.2)(1860)In the following exercises, simplify. ( 1 5 ) 2 +(1.4)(6.5)In the following exercises, simplify. (12)2+(2.1)(8.3)In the following exercises, simplify. 910+815+0.25 In the following exercises, simplify. 381415+0.72 In the following exercises, simplify, Give the answer as a decimal. 3146.5 In the following exercises, simplify, Give the answer as a decimal. 5258.75 In the following exercises, simplify, Give the answer as a decimal. 10.86 23 In the following exercises, simplify, Give the answer as a decimal. 5.79 34 In the following exercises, simplify, Give the answer as a decimal. 78(103.48)+112(361)In the following exercises, simplify, Give the answer as a decimal. 516(117.6)+213(699)In the following exercises, simplify, Give the answer as a decimal. 3.6(982.72)In the following exercises, simplify, Give the answer as a decimal. 5.1(1253.91)In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. radius = 5 in.In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. radius = 20 in.In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions. radius = 9 ft.In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. radius = 4 ft.In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. radius = 46 cm In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. radius = 38 cm In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. radius = 18.6 m In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. radius = 57.3 m In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. radius = 710 mile In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. radius = 7 11 mile In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. 277. radius = 38yard In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. 278. radius = 512 yard In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. diameter = 56m In the following exercises, approximate the(a) circumference and (b) area of each circle. If measurements are given in fractions, leave a answer in fraction form. diameter = 3 4 m Kelly wants to buy a pair of boots that are on sale for 23 of the original price. The original price of the boots is $84.99. What is the sale price of the shoes?An architect is planning to put a circular mosaic in the entry of a new building. The mosaic will be in the shape of a circle with radius of 6 feet. How many square feet of tile will be needed for the mosaic? (Round your answer up to the next whole number.}Is it easier for you to convert a decimal to a fraction or a fraction to a decimal? Explain.Describe a situation in your life in which you might need to find the area or circumference of a circle.TRY IT : 5.79 Determine whether each value is a solution of the given equation. x06=1.3 : x=0.7 x=1.9 x=0.7 TRY IT : 5. 80 Determine whether each value is a solution of the given equation. y 0.4 =1.7: y = 2.1 y = 1.3 -1.3 TRY IT : 5.81 Solve: y + 2.7 = -5.3.TRY IT : 5.82 Solve: y + 3.6 = 4.8.TRY IT : 5.83 Solve: a - 3.93 = 2.86.TRY IT : 5.84 Solve: n - 3.47 = 2.84.TRY IT : 5.85 Solve: - 8.4 = 0.7b.TRY IT : 5.86 Solve: -5.6 = 0.7c.TRY IT : 5.87 Solve: c2.6=4.5 .TRY IT : 5.88 Solve: b1.2=5.4 .TRY IT: 5.89 Trans and solve: The difference of y and 4.9 is 2.8.TRY IT : 5.89 Trans and solve: The difference of z and 5.7 is 3.4.TRY IT : 5.91 Trans and solve: The product of -4.3 and x and 12.4.TRY IT : 5.92 Trans and solve: The product of -3.1 and m and 26.66.TRY IT : 5.93 Trans and solve: The quotient of q and -3.4 is 4.5.TRY IT : 5.94 Trans and solve: The quotient of r and -2.6 is 2.5.TRY IT : 5.95 Trans and solve: The sum of j and 3.8 is 2.6.TRY IT : 5.96 Trans and solve: The sum of k and 4.7 is 0.3.In the following exercises, determine whether each number is a solution of the given equation. x0.8=2.3 (a) x=2 (b) x=1.5 (c) x=3.1 In the following exercises, determine whether each number is a solution of the given equation. y +0.6 = -3.4 (a) y = -4 (b) y = -2.8 (c) y = 2.6 In the following exercises, determine whether each number is a solution of the given equation. h1.5=4.3 (a) h = 6.45 (b) h = -6.45 (c) h = -2.1 In the following exercises, determine whether each number is a solution of the given equation. 0.75 K = -3.6 (a) k = -0-48 (b) k = -4.8 (c) k = -2.7 In the following exercises, solve the equation. y+2.9=5.7 In the following exercises, solve the equation. m+4.6=6.5 In the following exercises, solve the equation. f+3.45=2.6 In the following exercises, solve the equation. h+4.37=3.5 In the following exercises, solve the equation. a+6.2=1.7 In the following exercises, solve the equation. b+5.8=2.3 In the following exercises, solve the equation. c+1.15=3.5 In the following exercises, solve the equation. d+2.35=4.8 In the following exercises, solve the equation. n2.6=1.8 In the following exercises, solve the equation. p3.6=1.7 In the following exercises, solve the equation. x0.4=3.9 In the following exercises, solve the equation. y0.6=4.5 In the following exercises, solve the equation. j1.82=6.5 In the following exercises, solve the equation. k3.19=4.6 In the following exercises, solve the equation. m0.25=1.67 In the following exercises, solve the equation. q0.47=1.53 In the following exercises, solve the equation. 05x=3.5 In the following exercises, solve the equation. 0.4p=9.2 In the following exercises, solve the equation. 1.74c=8.5 In the following exercises, solve the equation. 2.9x=5.8 In the following exercises, solve the equation. 1.4p=4.2 In the following exercises, solve the equation. 2.8m=8.4 In the following exercises, solve the equation. 120=1.5q In the following exercises, solve the equation. 75=1.5y In the following exercises, solve the equation. 0.24x=4.8 In the following exercises, solve the equation. 0.18n=5.4 In the following exercises, solve the equation. 3.4z=9.18 In the following exercises, solve the equation. 2.7u=9.72

Page: [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25]