document.write( "Question 1105322: Help me to solve this problem: A plane takes 10 hours less to travel 1200 km than a train. If the plane travels six times as fast as
\n" ); document.write( "the train, what was the speed of the plane? Answer is Speed of the train was 100 km/hr, the plane was 600 km/hr. \n" ); document.write( "

Algebra.Com's Answer #720119 by josgarithmetic(39617) $\"\"$ $\"About$

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\n" ); document.write( " A plane takes 10 hours less to travel 1200 km than a train. If the plane travels six times as fast as
\n" ); document.write( "the train, what was the speed of the plane?
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\n" ); document.write( "\n" ); document.write( "Easier to assign variables as shown here:
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document.write( "                 SPEED      TIME           DISTANCE\r\n" );
document.write( "PLANE             6r        1200/(6r)       1200\r\n" );
document.write( "TRAIN             r         1200/r          1200\r\n" );
document.write( "DIFFERENCE                   10\r\n" );
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\n" ); document.write( "\n" ); document.write( "You are really asked to find 6r but you can solve for r first.
\n" ); document.write( " $\"highlight_green%281200%2Fr-1200%2F%286r%29=10%29\"$ \n" ); document.write( "

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