A painter uses 1/4 gallon to cover 1 door of a building. Enter the number of doors that can be painted using 2 1/2 of paint.

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?