# SOLUTION: two cars start at an interstate interchang and travel in the same direction at average speeds of 40 miles per hour and 55 miles per hour. how much time must elapse before the two c

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 Question 375040: two cars start at an interstate interchang and travel in the same direction at average speeds of 40 miles per hour and 55 miles per hour. how much time must elapse before the two cars are 5 miles apartAnswer by solver91311(18785)   (Show Source): You can put this solution on YOUR website! How long does it take a car going 15 mph to go 5 miles? John My calculator said it, I believe it, that settles it