The graph shows the cost of joining a gym in Town A. The cost of joining a gym in Town B is represented by a line parallel to the graph shown passing through (8,165). Write an equation of the line that represents the cost of joining a gym in Town B.

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?