I will say like this:
1. There are two car who travel 160 miles apart and meet in 2 hours. So first, I would think of each car is 40 mph, because two cars travel 80 in one hour, and two hours will be 160.
2. Then, the first car will travel with the speed is 34 mph and the other one will be 46 mph, because one car travels 6 mph faster than one car.