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Name: __________________________________ Class: ________ Date: _________Review Sheet: Ratios, Rates and ProportionsShow all work and simplify all answers, where possible.1. There are 5 blue counters, 6 red counters and 9 yellow counters.A) Find the ratio of blue counters to red.B) Find the ratio of red counters to yellow.C) Find the ratio of red counters to total counters.2. Anna worked 3 hours a day for seven days. She made a total of $94.50. How much did she make per hour?3. A) Luisa ran 6 miles in 20 minutes. At that rate, how long will it take her to run 24 miles?B) Luisa burns 240 calories in 3 hours, how long will it take her to burn 360 calories? 4. There are 10 boys in a class. The ratio of boys to girls in the class is 2:3. How many total students are in the class?5. Two crackers have 15mg of sodium. How many milligrams of sodium are there in 5 crackers?6. Can the following ratios form a proportion? 4/15 = 16/75? Prove either way. 7. Anna burns 220 calories in 40 minutes and Sue burns 82.5 calories in 15 minutes. Are these rates proportional? Prove. 8. Ella makes $120 in four weeks and George makes $160 in 5 weeks. Who makes more per week and by how much? 9. The ratio of Gabriel’s earnings to Danielle’s earnings is 5:7. If together, they earn $144. How much does Gabriel earn? How much does Danielle earn?10. Find the unit cost: 6 oranges for $3.68.B) How much would 8 oranges cost? 11) Which is a better deal? 24 grams of turkey for $10.08 or 9 grams of turkey for $4.77. Prove.12) Fill in each ratio table: ................
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