solve this equation

Solve the following word problem. Two trucks leave San Francisco at the same time traveling in opposite directions. One travels at an average speed of 66 mph and the other at 62 mph. In how many hours will they be 512 miles apart? Let x = time of travel for the first truck and y = time of travel for the second truck. Then the system that models the problem is x= y . Solve the system by using the method of addition. 66x + 62y = 512 Answer Keypad How to enter your answer (opens in new window) Keyboard Shortcuts [time of travel for the first truck [time of travel for the second truck