document.write( "Question 30443: The distance by highway(for car travel) between Richmond and Waterbury is 70 km, and the distance by rail(for train travel) is 60 km. A car and a train leave Richmond at the same time adn arrive in Waterbury at the same time, the car having traveled 15 km/hr faster then the train. Find the speed of the car and the speed of the train. Find the time it took for the car to reach Waterbury. \n" ); document.write( "

Algebra.Com's Answer #17069 by Paul(988) $\"\"$ $\"About$

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Let the speed of the train be x
\n" ); document.write( "Let the speed of the car be x+15
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Cross multiply
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document.write( "x=90\r
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document.write( "90+15=105
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document.write( "105/70=1.5
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document.write( "Hence, the speed of the car is 105mph and it took it 1.5hours to reach to its destination and the speed of the train is 90mph.
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document.write( "Paul. \n" );
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