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 #720122 by ikleyn(52776) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "If the plane travels six times as fast as the train, the train spends six times as long time as the plane:\r\n" );
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document.write( "6x hours for the train and x hours for the plane.\r\n" );
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document.write( "The difference is 10 hours:  6x - x = 10 hours, according to the condition.\r\n" );
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document.write( "Hence,  5x = 10  and  x =  = 2 hours.\r\n" );
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document.write( "Having 2 hours for the plane, you momentarily determine its speed:   = 600 km/hours, exactly as in your answer.\r\n" );
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