Question

You go to the State Fair, and have fun. Your Cost Equation can be represented by the

equation
C(r) = 6r + 10 where Crepresents the total cost, and r represents the number of
rides you went on
Find rif C (r) = 28

Answer 1

r = 3

Explanation:

C(r) = 6r + 10

C(r) = 28

Substitute 28 for C(r)

28 = 6r + 10

Subtract 10

18 = 6r

Divide by 6

3 = r

r = 3