Two cars leave town at the same time going in the samedirection. One travels at

Question

Two cars leave town at the same time going in the samedirection. One travels at 50 mph and the other travels at 70 mph.In how many hours will they be 60 miles apart? The possible answers are:      a. 20 hours      b. 5 hours      c. 1 hour      d. 3 hours Two cars leave town at the same time going in the samedirection. One travels at 50 mph and the other travels at 70 mph.In how many hours will they be 60 miles apart? The possible answers are:      a. 20 hours      b. 5 hours      c. 1 hour      d. 3 hours

Explanation / Answer

Therefore think of it this way: 1 hour - 50 miles 2 hours - 100 miles 3 hours - 150 miles
And the other car: 1 hour - 70 miles 2 hours - 140 miles 3 hours - 210 miles With that now you can solve for the difference betweenthem. 1 hour -> 70 miles - 50 miles = 20 miles 2 hours -> 140 miles - 100 miles = 40 miles 3 hours -> 210 miles - 150 miles = 60 miles After 3 hours they will be 60 miles apart

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