Karita had $138.72 in her checking account. she wrote checks for $45.23 and $18.00. then she mad a deposit of $75.85 into her account

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?