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Marie bought a dress that was marked $24. The sales tax is 8%. a. Find the sales tax. b. Find the total amount Marie had to pay.

Marie bought a dress that was marked $24. The sales tax is 8%. a. Find the sales tax. b. Find the total amount Marie had to pay.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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30. Marie bought a dress that was marked $24. The sales tax is 8%. a. Find the sales tax. b. Find the total amount Marie had to pay. 31. There were 120 planes on an airfield. If 75% of the planes took off for a flight, how many planes took off? 32. One year, the Ace Manufacturing Company made a profit of $480,000. This represented 6% of the volume of business for the year. What was the volume of business for the year? 33. The price of a new motorcycle that Mr. Klein bought was $5,430. Mr. Klein made a down payment of 15% of the price of the motorcycle and arranged to pay the rest in installments. How much was his down payment? 34. How much silver is in 75 kilograms of an alloy that is 8% silver? 35. In a factory, 54,650 parts were made. When they were tested, 4% were found to be defective How many parts were good? 36. A baseball team won 9 games, which was 60% of the total number of games the team played. How many games did the team play? 37. The regular price of a sweater is $40. The sale price of the sweater is $34. What is the per- cent of decrease in the price? 38. A businessman is required to collect an 8% sales tax. One day, he collected $280 in taxes. Find the total amount of sales he made that day. 39. A merchant sold a stereo speaker for $150, which was 25% above its cost to her. Find the cost of the stereo speaker to the merchant. 40. Bill bought a wooden chess set at a sale. The original price was $120; the sale price was $90. What was the percent of decrease in the price? 41. If the sales tax on $150 is $7.50, what is the percent of the sales tax? 42. Mr. Taylor took a 2% discount on a bill. He paid the balance with a check for $76.44. What was the original amount of the bill? 43. Mrs. Sims bought some stock for $2,250 and sold the stock for $2,520. What was the percent increase in the value of the stock? 44. When Sharon sold a vacuum cleaner for $220, she received a commission of $17.60. What was the rate of commission?
Transcribed Image Text:30. Marie bought a dress that was marked $24. The sales tax is 8%. a. Find the sales tax. b. Find the total amount Marie had to pay. 31. There were 120 planes on an airfield. If 75% of the planes took off for a flight, how many planes took off? 32. One year, the Ace Manufacturing Company made a profit of $480,000. This represented 6% of the volume of business for the year. What was the volume of business for the year? 33. The price of a new motorcycle that Mr. Klein bought was $5,430. Mr. Klein made a down payment of 15% of the price of the motorcycle and arranged to pay the rest in installments. How much was his down payment? 34. How much silver is in 75 kilograms of an alloy that is 8% silver? 35. In a factory, 54,650 parts were made. When they were tested, 4% were found to be defective How many parts were good? 36. A baseball team won 9 games, which was 60% of the total number of games the team played. How many games did the team play? 37. The regular price of a sweater is $40. The sale price of the sweater is $34. What is the per- cent of decrease in the price? 38. A businessman is required to collect an 8% sales tax. One day, he collected $280 in taxes. Find the total amount of sales he made that day. 39. A merchant sold a stereo speaker for $150, which was 25% above its cost to her. Find the cost of the stereo speaker to the merchant. 40. Bill bought a wooden chess set at a sale. The original price was $120; the sale price was $90. What was the percent of decrease in the price? 41. If the sales tax on $150 is $7.50, what is the percent of the sales tax? 42. Mr. Taylor took a 2% discount on a bill. He paid the balance with a check for $76.44. What was the original amount of the bill? 43. Mrs. Sims bought some stock for $2,250 and sold the stock for $2,520. What was the percent increase in the value of the stock? 44. When Sharon sold a vacuum cleaner for $220, she received a commission of $17.60. What was the rate of commission?
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