# Ratios & Percentages

### Quizzes

# Ratios & Percentages: Proportionately Interesting Quiz

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Q. A dozen organic eggs sell for $4.99 while a dozen conventional eggs sell for $3.79. What is the difference in unit cost?

$0.80

$0.42

$0.32

$0.10

$0.12

Q. There are three bananas, five apples, and four oranges in a bowl of fruit. What proportion of the fruit are NOT oranges?

1

Q. Car A can drive 430 miles on its 10-gallon tank of gas. Car B can drive 468 miles on its 12-gallon tank. Which car has the better gas mileage, and by how much?

Car A by 4 miles per gallon

Car B by 4 miles per gallon

Car A by 11 miles per gallon

Car B by 11 miles per gallon

Car A by 12 miles per gallon

Q. Solve the proportion: .

12.5

2

14

75

10

Q. The San Francisco Humane Society has a cat-to-dog ratio of 3:2. If there is a combined total of 250 cats and dogs, how many are dogs?

50

100

150

200

250

Q. You send about two emails for every seven incoming messages. If you receive 329 emails on a particularly busy day, about how many did you send?

61

73

94

235

379

Q. Solve the proportion: .

0.13

11

7.6

6.3

1.9

Q. A gallon of milk costs $5.29 while a half-gallon of milk costs $3.50. In a half-gallon of milk, approximately how much more does each cup cost? (There are 16 cups in a gallon.)

$0.11

$0.22

$0.33

$0.44

$0.55

Q. In 1901 Cy Young had a strikeout-to-base-on-balls (walk) ratio of 4:1. If he struck out 160 hitters, how many total strikeouts and walks did Cy Young have in 1901?

32

40

51

200

640

Q. There were 140 boys in a graduating class of 300 students. What is the boy-to-girl ratio?

8:7

7:8

1:1

1:2

2:1