document.write( "Question 1087169: A train leaves a station and travels north at a speed of 75 mph.Two hours later, a second train leaves on a parallel track and travels north at 105 mph. How far from the station will they meet? \n" ); document.write( "

Algebra.Com's Answer #701440 by ikleyn(52835) $\"\"$ $\"About$

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document.write( " =  + ,    (the \"time\" equation, where D is the distance)\r\n" );
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document.write( "105*D = 75*D + 2*75*105,\r\n" );
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document.write( "30*D = 2*75*105,\r\n" );
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document.write( "D =  =  = 5*105 = 525 miles.\r\n" );
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document.write( "Answer.  The faster train will catch the slower train in 525 miles from the station.\r\n" );
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