Two places A and B are 120 km apart from each other on a highway. A car starts from place A and another car from place B at the same time. If they move in the same direction , they meet in 6hours and if they move in opposite directions, they meet in 1 hour 12 minutes. Find the speed of each car.
Let the speed of the car at A be x, and the speed of the car at B be y.