Proportions Review Question Preview (ID: 32970)


Pizzazz E-10. TEACHERS: click here for quick copy question ID numbers.

1. The Jelly Junior High school color is made by mixing red and yellow paint. The ratio of red to yellow is 3 to 5. How much red paint should be mixed with 20 oz of yellow?
a) 12
b) 33.33
c) 50
d) 100

2. The Lawn Order lawnmower factory can produce 12 lawnmowers in hours. How many hours will it take the factory to produce 30 lawnmowers?
a) 20
b) 240
c) 360
d) 45

3. An object that weighs 10 lb on Earth would weigh only 4 lb on Mars. If you weigh 95 lb on Earth, how much would you weigh on Mars?
a) 38
b) 950
c) 380
d) 237.5

4. The ratio of orange juice to pineapple juice in Tropical Treat punch is 4 to 3. Bill has 64 oz of orange juice. How much pineapple juice does he need?
a) 48
b) 256
c) 192
d) 64

5. A cookie recipe for 60 cookies calls for 4 cups of flour. How much flour is needed to make 90 cookies?
a) 6
b) 5400
c) 360
d) 90

6. Jose can read 7 pages of his book in 5 minutes. At this rate, how long will it take him to read the entire 175-page book?
a) 125
b) 1225
c) 875
d) 245

7. While exercising, Julie found that her heart was beating 12 times every 5 seconds. How many times was it beating per minute (60 seconds)?
a) 144
b) 300
c) 720
d) 25

8. If there are 1,200 calories in 8 oz of hot fudge, how many calories are in 3 oz of hot fudge?
a) 450
b) 3600
c) 24
d) 8

9. At a certain college, the ratio of men to women is 6 to 5. If there are 1,500 men, how many women are there?
a) 1,250
b) 9000
c) 7500
d) 1800

10. One of the world's largest stained glass windows is at Kennedy international Airport in New York. It is a rectangle with a height to length ratio of 2 to 25. If the window is 24 feet high, how long is it?
a) 48
b) 1.92
c) 300
d) 600

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