document.write( "Question 1014644: A train averages a speed of 90 miles per hour across the plains and 37.5 miles per hour through the mountains. If a trip of 300 miles took 3 hour and 48 minutes, how much of it was through the mountains? \n" ); document.write( "

Algebra.Com's Answer #630962 by josgarithmetic(39800) $\"\"$ $\"About$

You can put this solution on YOUR website!
This should be enough for you to understand what to do to find x and y times, and the distance parts.
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document.write( "               rate          time         distance\r\n" );
document.write( "PLAINS          90            x            90x\r\n" );
document.write( "MOUNTAINS       37.5          y            37.5y\r\n" );
document.write( "Total                                 300\r\n" );
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