document.write( "Question 635780: a train leaves a station and travel north at a speed 45 mph.four hours later a second train leaves on a parallel trick and travel north at 105 mph.how far from station will they meet? \n" ); document.write( "
Algebra.Com's Answer #400568 by richwmiller(17219)\"\" \"About 
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The first train went 4*45=180 in four hours.
\n" ); document.write( "The second train gains 60 miles every hour.
\n" ); document.write( "180/60=3 hours to catch up
\n" ); document.write( "3*105=305 miles from the station.\r
\n" ); document.write( "\n" ); document.write( "check3*45=135
\n" ); document.write( "135+180=305
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