Name ______________________________ Proportion Review

Date _____________________

Directions: Follow the directions for each section. Make sure you place answers and work on your own paper.

Part A. Determine from the tables or graphs if the relationship is proportional. Write 'proportional' or 'not proportional'.

1.

2.

3. 4.

5.

Part B. Solve each proportion below. Show work on your own paper.6. 7. 8.

Part C. Assume each word problem below represents a proportional relationship. Solve.

9. Perry bought one jar of sun-dried tomatoes for $4. How many jars of sun-dried tomatoes can Jennifer buy if she has $12?

10. Mark reduced the size of a photo to a height of 4 in. What is the new width if it was originally 16 in tall and 8 in wide?

11. A painting is 2 in tall and 3 in wide. If it is enlarged to a width of 15 in then how tall will it be?

12. One bulb of elephant garlic costs $2. How many bulbs of elephant garlic can you buy for $14?

13. It takes about me 25 minutes to make out a test for a mathematics class. How long will it take to make out tests for all five of my classes?

Part D. Assume that the figures are proportional. Find x.14. 15.

16. 17.

Part C. Write each rate below as a unit rate. Round your answer to the nearest tenth (if needed).** Be careful - I put some tricky ones in there.

18. 360 miles in 6 hours19. 411 customers in 3 days20. 5 pounds for $2.4921. 20 minutes to go 12 meters22. 9 miles in 60 minutes

Part D. For each problem below, decide which is the better value (the best buy). Show your work!

23. Apple juice: 36 ounces for $3.19 or 55 ounces for $4.0024. Oreos: $4.99 for 36 cookies or 3.99 for 30 cookies25. Crackers: 12.5 ounces for $3.50 or 15 ounces for $4.2026. A medium, fourteen-ounce slushie costs $1.49. A large, twenty-ounce slushie costs $1.99. An extra-large slushie, at 32 ounces, costs $2.79. Which is the best value?