SOLUTION: 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
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Question 1015965: 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 the Express train starts will the it overtake the Local? (in hours) Found 2 solutions by macston, ikleyn:Answer by macston(5194) (Show Source):
You can put this solution on YOUR website! Local: (35mph)(1.5hr)=52.5 mi
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When the express train starts, the local is 52.5 miles ahead.
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The express catches up (56mph-35mph=) 21 miles per hour.
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52.5 miles/ 21 mi/hr=2.5 hours
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ANSWER: The express train will catch the local 2.5 hours after
the express train starts.
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You can put this solution on YOUR website! .
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 the Express train starts will the it overtake the Local? (in hours)
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