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# Ch. 6 Test Review

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1. Ch. 6 Test Review

2. Write \$495 for 30 tickets as a ratio. Then, what is the unit rate? • Determine whether forms a proportion. • Solve the proportion

3. Proportions • Three ounces of perfume cost \$105. How much will 7 ounces of perfume cost? • On a set of blueprints, the scale is ½ inch=4 ft. Find the actual length of a room that measures 3.2 inches on the blueprint. • A tree casts a shadow 6 ft. long. At the same time a 3 ft. tall child casts a 4 ft. shadow. Find the height of the tree.

4. Write 60% as a fraction (in simplest form) and a decimal. • Write as a decimal and percent. • Write 1.9 as a fraction and percent.

5. 18 is what percent of 45? • What is 74% of 110? • 23 is 20% of what number?

6. A \$8.30 basketball has a 6% sales tax on it. How much will the total bill be? • Nate has \$15.00. Can he buy a baseball that costs \$13.95 plus 6% tax? • You went to dinner at BWW’s and the bill was \$44.25. Tax is 7% and you had excellent service so you want to leave a 20% tip. How much is the tip? (Find the tip AFTER tax.)

7. How much would you save if you bought an Andrew Luck jersey that costs \$65.00 but is 75% off? • A store has a pair of boots for \$15.45 and has a markup of 25%. What is the selling price? • The regular price of a ring at Kay Jewlers is \$595. You have \$450. Can you buy the ring if it is 20% off?

8. You sold \$575 worth of pants at the Buckle. You make 15% commission. How much did you make? • How much interest will Tim earn if he deposits \$5,000 in the bank and earns 5.4% for 4 years?

9. You go to Target want to spend \$54.50. You find a 25% off coupon in your wallet. There is a 6.5% sales tax. What was your bill after the discount and tax? • Sale Price: • Tax Amount: • Total: