SOLUTION: if one train leaves the station going 80mph and 3 hours later another train going at 100mph leaves the same exact station going the same direction on parallel tracks, what time wil
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Question 514714: if one train leaves the station going 80mph and 3 hours later another train going at 100mph leaves the same exact station going the same direction on parallel tracks, what time will the second train catch up?
You can put this solution on YOUR website! if one train leaves the station going 80mph and 3 hours later another train going at 100mph leaves the same exact station going the same direction on parallel tracks, what time will the second train catch up?
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Actually you can do this in your head
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After 3 hrs the 1st train will be 3*80=240 mi ahead of the second.
The relative speed between the two trains is 100-80 = 20 mph
How long will it take to travel 240 mi at 20 mph? 12 hrs, right
