document.write( "Question 621378: Train A leaves the platform at 5 pm at a speed of 120 km/h and train B leaves the same platform on a parallel track in the same direction at 7 30 pm at 144 km/h. After how many hours will train B cross train A?
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Algebra.Com's Answer #390718 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "Train A leaves the platform at 5 pm at a speed of 120 km/h and train B leaves the same platform 
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document.write( "on a parallel track in the same direction at 7 30 pm at 144 km/h. 
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document.write( "After how many hours will train B cross train A?
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document.write( " D = rt
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document.write( " Distance = Distance
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document.write( " 
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document.write( "solving for x
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document.write( "  x =  \n" );
document.write( "

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