SOLUTION: At 7:00 am a loaded freight train leaves Pittsburgh at 25 mph. At 11:00 am, an amtrak train leaves the same station on a parallel track traveling at 65 mph. How far from the statio
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Question 724382: At 7:00 am a loaded freight train leaves Pittsburgh at 25 mph. At 11:00 am, an amtrak train leaves the same station on a parallel track traveling at 65 mph. How far from the station will both trains be when the amtrak train passes the freight train? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! At 7:00 am a loaded freight train leaves Pittsburgh at 25 mph. At 11:00 am, an amtrak train leaves the same station on a parallel track traveling at 65 mph. How far from the station will both trains be when the amtrak train passes the freight train?
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let x=travel time of 15mph train
x-4=travel time of 65mph train
distance=travel time*speed (same distance for both trains)
25x=65(x-4)
25x=65x-260
40x=260
x=6.5
distance=6.5*25=162.5
How far from the station will both trains be when the amtrak train passes the freight train? 162.5 mi