A car rental package costs $70/wk., with an additional charge of $0.15/mi beyond 200 mi. The cost formula would be C=$70+0.15(x-200).

A car rental package costs $70/wk., with an additional charge of $0.15/mi beyond 200 mi. The cost formula would be C=$70+0.15(x-200). If you have to keep your bill lower than $125, what is the maximum miles beyond 200 mi you can drive?