Ratio and Rates Expressions Equations

a statement that the values of two mathematical expressions are equal. *HAS AN EQUAL SIGN*

When quantities have the same ratio.

• Proportional

• Non-proportional

• Dependent quantity

• Independent quantity

It does not start at 0, and quantities DO NOT have the same ratio.

• Proportional

• Non-proportional

• Independent

• Dependent

A rate in which the first quantity is compared to 1 unit of the second quatity

• proportion

• rate

• constant or proportionality

• unit rate

Makenna drove 16 miles in 20 minutes. If she drives at the same rate, how far will she drive in 3 hours?

• 320 miles

• 144 miles

• 60 miles

• 48 miles

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

• 4

• 6

• 8

• 10

A recipe calls for 2 tablespoons of oil for every 3 tablespoons of vinegar. If you use 9 tablespoons of vinegar, how much oil do you need?

• 4 tablespoons

• 5 tablespoons

• 6 tablespoons

• 7 tablespoons

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?