Solve.
-Greg is opening a car wash. He estimates his cost equation as C = 8000 + 0.08x and his revenue equation as R = 1.85x, where x is the number of cars washed in a six-month period. Find the number of cars that must be washed in a six-month period for Greg to make a profit.
A) At least 45,198 cars
B) At least 4520 cars
C) At least 3520 cars
D) At least 452 cars

Question

Quizplus · Accepted Answer

To make a profit, revenue must exceed costs: 1.85x > 8000 + 0.08x. Solving for x gives x > 4520.

Solve. -Greg Is Opening a Car Wash. He Estimates His Cost