Barbara is starting a summer camp for children with hearing impairments. She needs to hire enough counselors to chaperone the children.

There is a proportional relationship between the number of counselors Barbara hires, x, and

the maximum number of children who can attend the camp, y.

x (counselors) y (maximum number of children),

6

12

-

5

15

18

What is the constant of proportionality? Write your answer as a whole number or decimal.

children per counselor