1.Will there be a time when the two populations are equal? Explain or show your reasoning.

2.At some point in time, the population of Country C reached 30 million. When does this happen? Explain or show your reasoning.

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?