Ratio and Proportion Skills

Solve the ratio 3:5.

• 4/5

• 1/2

• 3/5

• 2/5

Identify the proportional part if the total is 40 and the ratio is 2:5.

• 11.43

• 15.25

• 20.5

• 8.75

Reduce the ratio 6:9 to its lowest terms.

• 3:2

• 4:6

• 5:8

• 2:3

If 4 mangoes cost $8, how much will 6 mangoes cost?

• $16

• $12

• $10

• $14

If the ratio of boys to girls in a class is 3:5 and there are 24 students, how many boys are there?

• 12

• 9

• 18

• 15

Convert the ratio 5:8 to a proportion.

• 3/8

• 5/8

• 8/5

• 5:8

If the ratio of red balls to blue balls is 2:3, and there are 20 blue balls, how many red balls are there?

• 15

• 18

• 22

• 13

Simplify the ratio 15:25 to its lowest terms.

• 3:5

• 4:7

• 2:5

• 5:3

If 5 pens cost $15, how much will 8 pens cost?

• $24

• $18

• $22

• $20

In a bag of marbles, the ratio of red marbles to blue marbles is 3:4. If there are 21 blue marbles, how many red marbles are there?

• 25

• 18

• 12

• 15