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Mathematics 18 Online
OpenStudy (anonymous):

Use the three steps to solve the problem. A "Local" train leaves a station and runs at an average rate of 35 mph. An hour and a half later an "Express" train leaves the station and travels at an average rate of 56 mph on a parallel track. How many hours after it starts will the Express overtake the Local?

OpenStudy (anonymous):

2,5 hours

OpenStudy (anonymous):

35x + 52,5 = 56x

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