SOLUTION: What is the function for this problem: Two people start walking at the same time in the same direction. One person walks at 8 mph and the other person walks at 7 mph. In how many

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Question 396440: What is the function for this problem:
Two people start walking at the same time in the same direction. One person walks at 8 mph and the other person walks at 7 mph. In how many hours will they be 0.5 miles apart?

Answer by rfer(16322) About Me  (Show Source):