Lesson 4: Rates and Unit Rates — Practice Questions

1. 1. A pack of 8 pens costs 10 dollars. What is the cost per pen in dollars? ___

2. 2. A pack of 8 pens costs 10 dollars. At this rate, how many pens can you buy for one dollar? ___

3. 3. A train travels at a constant speed, covering 210 miles in 3 hours. What is the train's speed in miles per hour? ___

4. 4. A hose releases 30 gallons of water in 5 minutes. Which statement describes a valid unit rate for this situation?

   • A. The hose releases 6 gallons per minute.
   • B. The hose releases 150 gallons per minute.
   • C. It takes 6 minutes to release one gallon.
   • D. The hose releases 35 gallons per minute.

5. 5. A drone flies 100 meters in 5 seconds. How many seconds does it take the drone to fly one meter? ___

6. 6. Write the rate of 527 miles in 9 hours as a simplified fraction. Express your answer as a fraction `a/b`. The units are miles/hour. ___

7. 7. Write the rate of 488 miles in 7 hours as a simplified fraction. Express your answer as a fraction `a/b`. The units are miles/hour. ___

8. 8. Write the rate of 595 dollars for 40 hours as a simplified fraction. Express your answer as a fraction `a/b`. The units are dollars/hour. ___

9. 9. Write the rate of 180 calories per 16 ounces as a simplified fraction in calories/ounce. $\_\_\_$

10. 10. Write the rate of 140 calories per 12 ounces as a simplified fraction in calories/ounce. $\_\_\_$