Set up an algebraic equation and solve the problem. the ratio of male students to female students at a certain university is 5 to 7. if there is a total of 12,600 students, find the number of male students and the number of female students.

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?