SOLUTION: Two cars leave Pima Community College traveling in opposite directions. One car travels at 80mph and the other at 54mph. How many hours will they be 938 miles apart?

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Question 389040: Two cars leave Pima Community College traveling in opposite directions. One car travels at 80mph and the other at 54mph. How many hours will they be 938 miles apart?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
Two cars leave Pima Community College traveling in opposite directions. One car travels at 80mph and the other at 54mph. How many hours will they be 938 miles apart?
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Let x = time (hours) driving
then applying the distance formula of d=rt
80x + 54x = 938
134x = 938
x = 938/134
x = 7 hours