SOLUTION: Matthew and Robert are driving towards each other They are 625miles away from each other. Matthew is traveling 55mph and Robert is traveling 70mph. How many hours will it be unti

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Question 1117675: Matthew and Robert are driving towards each other
They are 625miles away from each other. Matthew is traveling 55mph and Robert is traveling 70mph. How many hours will it be until their paths cross?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Matthew and Robert are driving towards each other
They are 625miles away from each other. Matthew is traveling 55mph and Robert is traveling 70mph. How many hours will it be until their paths cross?
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Speeds are added when going in opposite.
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d = r*t
t = d/r