HELPPP only got 43 minutes to answer questions

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?

Will give a: 122 b: 90 c: 48 d: 180

Which expression gives the exact value of x?