Equivalent Ratio Practice

Tell whether the two rates form a proportion.

28 people in 4 rooms

63 people in 9 rooms

• proportional

• not proportional

Tell whether the two rates form a proportion.

4 laps in 10 minutes

6 laps in 15 minutes

• proportional

• not proportional

Why are 1 : 3 and 2 :6 equivalent ratios?

• You'd add the same number to 1 and 3 to get the ratio of 2:6.

• You'd multiply 1 and 3 by the same number to get the ratio of 2:6.

• You'd subtract the same number from 1 and 3 to get the ratio of 2:6.

• They aren't equivalent ratios.

Select ALL the ratios that are equivalent to 5 : 6.

• 2.5 : 3

• 10 : 12

• 6 : 5

• 15 : 18

• 6 : 7

Use equivalent ratios to find the unknown value.

• 3

• 5

• 30

• 35

Use equivalent ratios to find the unknown value

• 36

• 4

• 3

• 63

Is the ratio equivalent?

• Yes

• No

Use equivalent ratios to find the unknown value.

• 36

• 4

• 3

• 63

A painter mixes 3 gal of cyan paint with every 5 gal of red paint, to make purple paint.

Which ratio of gallons of cyan paint to gallons of red paint will make the same shade of purple paint?

Answer explanation

Cyan paint is 3

Red paint is 5

The question asks Cyan first

3:5 or 3/5

Now simplify all fractions

Which one is the same as 3/5?

9:15