Ratio and Proportion

The principle of proportion states that " The product of the means is ______ to the product of the extremes."

• equal

• add

• subtract

• none

A bag of marbles comes with 3 blue, 5 red, and 9 yellow marbles. What is the ratio of blue marbles to yellow marbles?

• 5 : 4

• 5 : 9

• 3 : 5

• 1 : 3

Determine if the ratios are proportional:

2 : 5 = 3 : 4

• YES

• NO

• sometimes

• None of the choices

It is a comparison of two or more quantities.

• proportion

• subtraction

• ratio

• addition

• 5

• 4

• 15

• 12

Which of these ratio is equivalent to 1 : 2?

• 2 : 4

• 1 : 3

• 2 : 3

• none

Johanna Mae can read 12 pages of a book in 15 minutes. How many pages can he read in 25 minutes?

• 10

• 30

• 20

• 40

Find the ratio of 1 day to 12 hours.

• 1 : 2

• 2 : 1

• 1 : 12

• 12 : 1

Atan has 3 favorite coffee flavors and 2 bread in the canteen. What is the ratio of bread to coffee?

• 3 : 2

• 5 : 3

• 2 : 5

• 2 : 3

It is an equality of two ratios.

• proportion

• ratio

• equal

• none