Quiz about Ratios, Rates, & Proportions

Question 1

Express the ratio of the number of shaded squares to the number of squares not shaded in simplest form.

Accepted Answer

5:3

Answer

3:4

Answer

2:3

Answer

4:5

Question 2

Write the ratio 12 feet to 9 yards in simplest form.

Accepted Answer

4:9

Answer

1:3

Answer

3:1

Answer

2:3

Question 3

Write the ratio 2 meters to 76 centimeters in simplest form.

Accepted Answer

50:19

Answer

1:38

Answer

100:38

Answer

25:19

Question 4

Write the ratio 3 years to 8 months in simplest form.

Accepted Answer

9:2

Answer

9:8

Answer

1:2

Answer

2:3

Question 5

Write the rate 476 miles in 8 hours as a unit rate.

Accepted Answer

59.5 miles/hour

Answer

60 miles/hour

Answer

58 miles/hour

Answer

57.5 miles/hour

Question 6

Write the rate 680 calories in 6 muffins as a unit rate.

Accepted Answer

113.3 calories/muffin

Answer

120 calories/muffin

Answer

110 calories/muffin

Answer

115 calories/muffin

Question 7

Write the rate $31.20 for 15 gallons of gas as a unit rate.

Accepted Answer

$2.08/gallon

Answer

$2.10/gallon

Answer

$2.05/gallon

Answer

$2.12/gallon

Question 8

Write the rate 5 bananas for $1.95 as a unit rate.

Accepted Answer

$0.39/banana

Answer

$0.40/banana

Answer

$0.38/banana

Answer

$0.41/banana

Question 9

Katya had a final exam in each of her four classes: English, Math, Social Studies, and Science. During which test did she take the least amount of time per question?

Accepted Answer

Social Studies

Answer

English

Answer

Math

Answer

Science

Question 10

Determine which option is the better deal:

Option A: $11.99 for an 18.5-lb bag of dog food

or

Option B: $20.99 for a 42 lb-bag of dog food.

Accepted Answer

Option B

Answer

Option A

Question 11

Determine which option is the better deal:

Option A: 4 juice boxes for $5.59

or

Option B: 6 juice boxes for $8.49.

Accepted Answer

Option A

Answer

Option B

Question 12

Determine whether the ratios form a proportion: $$\frac{16}{9}$$ and $$\frac{28}{15}$$

Accepted Answer

No

Answer

Yes

Question 13

Solve the proportion: $$\frac{7}{3}$$ = $$\frac{x}{27}$$ .

Accepted Answer

x = 63

Answer

x = 81

Answer

x = 9

Answer

x = 21

Question 14

Solve the proportion: $$\frac{n}{18}=\frac{12}{7.5}$$

Accepted Answer

n = 28.8

Answer

n = 194.4

Answer

n = 16.7

Answer

5

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