SOLUTION: Cant figure this out :( Two cars leave town at the same time going in opposite directions. One travels 55 mph and the other travels 45 mph. In how many hours will they be 500 mi

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Question 837639: Cant figure this out :(
Two cars leave town at the same time going in opposite directions. One travels 55 mph and the other travels 45 mph. In how many hours will they be 500 miles apart?

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Two cars leave town at the same time going in opposite directions. One travels 55 mph and the other travels 45 mph. In how many hours will they be 500 miles apart?
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let x=travel time 2 cars will be 500 miles apart
speed*travel time=distance
55x+45x=500
100x=500
x=5
how many hours will the 2 cars be 500 miles apart? 5