A batting cage charges a flat fee of $5 to practice and then $1.50 per bucket of balls. Write an equation that models the charges (C) in terms of the number of bucket of balls (b) that you use: Question 1 options:

C = 1.50 b + 5

C = 5 b + 1.50

b = 1.50 C + 5

b = 5 C + 1.50