SOLUTION: Two cars leave Prima Community College traveling in opposite directions. One car travels at 60mph and the other at 64mph. In how many hours will they be 310 miles apart?

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Question 405402: Two cars leave Prima Community College traveling in opposite directions. One car travels at 60mph and the other at 64mph. In how many hours will they be 310 miles apart?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
If they take off at the same time, then
60t + 64t = 310
==> 124t = 310
t = 2.5 hours.