Ratio Rate Proportion

What percent is in color?

• 620%

• 1/2

• 60%

• 62%

Which statement best describes what a ratio is.

• A number

• A comparison of two quantities.

• A comparison

• A comparison of many things.

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

A ratio equivalent to 3 : 7 is:

• 3 : 9

• 6 : 10

• 9 : 21

• 18 : 49

Which is NOT equivalent to 3:5?

• 15:25

• 9:15

• 21:28

• 30:50

A class has 15 boys and 20 girls. What is the boy:girl ratio in simplest form?

• 4 to 5

• 10 to 13

• 3:4

• 3:5

Patrick has 2 black, 3 red, and 5 white toy cars. What is the ratio of red toy cars to all the toy cars?

• 3:5

• 1:3

• 3:11

• 3:10

A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

• 16 customers per hour

• 15 customers per hour

• 12 customers per hour

• 20 customers per hour

Tell whether the ratios are equal or not.

3:21 and 1:4

• Equal

• Not Equal

Which represents the relationship of oranges to total fruit?

• 2:6

• 2:4

• 4:6

• 4:2