Lesson 7: Solve Unit Rate Problems — Practice Questions

1. 1. A recipe uses 12 oranges to make 3 glasses of juice. To find the unit rate of oranges per glass, you must divide both quantities by ___.

2. 2. A student reads 150 pages in 3 hours. What is their reading speed in pages per hour? \n___ pages per hour.

3. 3. A baker uses 8 cups of flour for 2 cakes. At this rate, how many cups of flour are needed to make 5 cakes? \n___ cups.

4. 4. A train travels 240 kilometers in 3 hours. At the same speed, how many kilometers will it travel in 7 hours? \n___ km.

5. 5. To find how many miles a car travels in 1 hour, given it travels 180 miles in 3 hours, what is the correct operation using a ratio table?

   • A. Multiply both 180 and 3 by 3
   • B. Divide both 180 and 3 by 3
   • C. Multiply 180 by 3
   • D. Divide 180 by 1

6. 6. A cyclist travels for 3.5 hours at an average speed of 15 miles per hour. How many miles did the cyclist travel? ___

7. 7. A family is driving 450 miles for a vacation. If they maintain an average speed of 75 miles per hour, how many hours will the trip take? ___

8. 8. A commercial airplane travels 1350 miles in 3 hours. What is the airplane's average speed in miles per hour? ___

9. 9. A boat traveled 90 miles in 4.5 hours. What was the boat's average speed in miles per hour?

   • A. 20
   • B. 25
   • C. 40.5
   • D. 405

10. 10. Car A travels at 50 mph and Car B travels at 60 mph. If both cars travel for the same distance, which statement must be true?

    • A. Car A takes more time.
    • B. Car B takes more time.
    • C. Both cars take the same amount of time.
    • D. It is impossible to determine without knowing the distance.