2.2.1 Rates, Ratios, and Proportions – Practice

x 3 8 64

1. Solve. =

2. Strawberries cost $21.25 for 4 pounds. Find the unit rate. Round to the nearest cent if necessary.

3. Belmond, a brick-cutter in a kiln, cuts 84 bricks in 3 hours. Find the unit rate.

4. A train travels 220 miles in 4 hours. What is the train’s speed in feet per minute?

5. The local school sponsored a mini- marathon and supplied 84 gallons of water per hour for the runners. What is the amount of water in quarts per hour?

6. The fuel for a chain saw is a mix of oil and gasoline. The ratio of ounces of oil to gallons of gasoline is 6:19. There are 57 gallons of gasoline. How many ounces of oil are there?

7. In a social club, the ratio of men to women is 5:7. There are 595 women. How many men are there?

8. An architect built a scale model of a shopping mall. On the model, a circular fountain is 21 inches tall and 17.5 inches india meter. If the actual fountain is to be 6 feet tall, what will its diameter be?

9. A scale model of a bus is 12 inches long. The scale is 1:21. How many inches long is the bus it represents?

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