SOLUTION: a person travels at 8 mph. another person leaves at 10 mph in the opposite direction. how long will it take until they are 27 miles apart?

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Question 1035657: a person travels at 8 mph. another person leaves at 10 mph in the opposite direction. how long will it take until they are 27 miles apart?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Since they split apart at 8+10 = 18 miles per hour, it would take
27 / 18 = 1.5 hours to be that far apart...