A parking lot costs $900 a month to operate, and it spends $220 each month for every car that parks there. The parking lot charges a monthly fee of $640 to park a car . If nis the number of cars , which equation represents the profit function of the parking lot?
A. p = 420n - 900
B. p = 420n + 900 O
C. p = 860n + 900
D p = 860n - 900

Respuesta :

Answer:

A.

Step-by-step explanation:

A. p = 420n - 900