Equivalent Ratios

The ratio of girls to boys at basketball practice is 2:3. If there are 12 girls at practice then how many boys are there?

• 15

• 18

• 20

• 21

Which ratio is equivalent to 5 to 4

• 4 to 5

• 10 to 12

• 25 to 20

• 15 to 8

36 to 21 = _____ to 7

• 7

• 9

• 10

• 12

1. Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins. What can you say about the two ratios?

• They are equivalent ratios

• The ratios are not equivalent

Which ratio is equivalent to 12 : 20

• 3:5

• 2:3

• 3:10

• 20:12

Which ratio is equivalent to 3:4

• 12:14

• 4:3

• 6:8

• 20:15

Which of the following ratios are NOT equivalent to 5:6?

• 10:12

• 15:18

• 16:20

• 20:24

Simplify the ratio of 20 to 25

• 1 to 5

• 2 to 5

• 3 to 5

• 4 to 5

There are 21 boys and 6 girls in Mr. Keys' homeroom. What is the ratio of girls to boys?

• 6:21

• 21:6

• 7:2

• 6: 27

Jim bought 5 pizzas for $35. The ratio of pizzas to cost would be:

• 5:35

• 35:5

• 7:35

• 35:7