SOLUTION: Two cars leave the origin; one goes north at 45 mph and the other goes south at 50 mph. After how many hours will they be 300 miles apart?

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Question 612169: Two cars leave the origin; one goes north at 45 mph and the other goes south at 50 mph. After how many hours will they be 300 miles apart?
Answer by Bb(20) About Me  (Show Source):
You can put this solution on YOUR website!
Lets start by setting up an equation. 300%28mi%29=%2845%28mph%29+%2B+50%28mph%29%29%2At%28time%29. 300=90t then divide each side by 90 t=10%2F3hrs