document.write( "Question 776397: Please solve this word problem for me: A freight train leaves the station at 5AM and travels north 40MPH. At 6AM a passenger train leaves on a parallel track and travels north at 45MPH. How long will it take the passenger train to overtake the freight train \n" ); document.write( "

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Please solve this word problem for me: A freight train leaves the station at 5AM and travels north 40MPH. At 6AM a passenger train leaves on a parallel track and travels north at 45MPH. How long will it take the passenger train to overtake the freight train
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document.write( "At 6AM the freight train is 40 miles down the track,\r\n" );
document.write( "because distance = rate×time = 40MPH×1 hour.  The \r\n" );
document.write( "passenger train's catch-up rate is their difference \r\n" );
document.write( "in speeds, 45-40MPH or 5MPH.  Since time = distance/rate, \r\n" );
document.write( "it will take 40/5 or 8 hours for the passenger train to\r\n" );
document.write( "catch up the freight train's 40 mile headstart and \r\n" );
document.write( "overtake the freight train.\r\n" );
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document.write( "Edwin

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