SOLUTION: Two cars leave the same town at the same time going the same direction. One travels 54 miles per hour and the other travels 66 miles per hour. In how many hours will they be 45 mil

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Question 161060: Two cars leave the same town at the same time going the same direction. One travels 54 miles per hour and the other travels 66 miles per hour. In how many hours will they be 45 miles apart?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
66x-54x=45
12x=45
x=45/12
x=3.75 hours they will be 45 miles apart.
Proof:
66*3.75-54*3.75=45
247.5-202.5=45
45=45