Ratio and Proportion Math Test

A ratio that compares a number to 100

• percent change

• product

• rate

• percent

A comparison of two quantities by division

• rational number

• proportion

• ratio

• rate

A ratio that compares the change in a quantity to the original amount.

• percent change

• percentage

• percent error

• complex fraction

If the ratio of boys to girls in a class is 3:4, how many boys are there if there are 20 girls?

• 15

• 25

• 10

• 30

A scale drawing of a park has a scale of 1 inch : 100 feet. If the actual length of the park is 300 feet, how long is it on the drawing?

• 2 inches

• 3 inches

• 4 inches

• 5 inches

What is the ratio of 30 minutes to 2 hours in simplest form?

• 4

• 6

• 8

• 10

The class has 12 girls and 16 boys. What is the ratio of total students to boys? (simplest form)

• 28/16

• 7/4

• 16/28

• 12/16

Solve the proportion:

• 4

• 8

• 14

• 10

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $5 per pound

• $35 per pound

• 0.125 pounds per dollar