At a state fair, there is a game where you throw the ball at a

At a state fair, there is a game where you throw the ball at a pyramid of cans. If you knock over all of the cans, you win a prize. The cost is 3 throws for $1, but if you have an armband, you get 6 throws for $1. The armband and one with.

1. write two cost equations for the game in terms of the number of throws purchased, one without an armband and one with.