The distance (y), in miles, of two cars from their starting points at certain times (x), in hours, are shown by the equation below: car a: y = 45x + 20 car b: y = 35x + 60 after how many hours will the two cars be at the same distance from their starting point and what will the distance be? 3 hours, 200 miles 3 hours, 180 miles 4 hours, 200 miles 4 hours, 180 miles