A small country has a population of 2.2 million people. Each year about 3% of the previous year’s population dies or leaves the country and about 81,000 people are born or immigrate to the country. If this pattern continues, what will the population be in 5 years?

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?