document.write( "Question 1102097: Harry traveled 15 miles on the bus and then another 72 miles on a train. If the train was 18 miles per hour faster than the bus and the total trip took 2 hours, then what was the average speed of the train? \n" ); document.write( "

Algebra.Com's Answer #716733 by josgarithmetic(39800) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "             SPEED      TIME          DISTANCE\r\n" );
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document.write( "BUS          r+18              15\r\n" );
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document.write( "TRAIN         r                     72\r\n" );
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document.write( "Total                    2\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solve the equation for r:
\n" ); document.write( " $\"15%2F%28r%2B18%29%2B72%2Fr=2\"$ \n" ); document.write( "

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