Extended Ratios and Proportions

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15

• c=18

• c=21

• c=16

Solve the proportion.

• p=31.3

• p=308

• p=924

• p=532

There are 220 freshmen at a high school. The ratio of boys to girls is 3:2. How many freshmen are boys?

• 132

• 88

• 105

• 44

Solve the proportion. \frac{x}{24}=\frac{17}{39}