A rental car costs $25 plus a fixed charge per mile driven. The total charge for 320 miles of use was $89. Write an equation for the cost, C (in dollars), in terms of the miles driven, X.
This is similar to the previous linear question, I will use what I said last time.
First, we need acknowledge that 25 is the fixed number.
89 - 25 = 64
This means that 5$ is charged every mile.
Thus, we obtain
C = 25 + 5x