Question

At Emily's summer camp, there are

6 counselors for every 40 girls. How many
counselors should the camp have for 100
girls?

Answer 1

15

Explanation:

3 counselors for every 20 girls

Answer 2

15 counselors

Explanation:

The ratio of counselors to girls is 6:40. Set this as a proportion:

`(6)/(40)`=
`(x)/(100)`

Cross multiply to solve: 6×100=40x

600=40x

x=15

To satisfy the ratio, there needs to be 15 counselors for 100 girls.