document.write( "Question 1007341: A car travels 300 km in the same time that a train travels 200 km. The speed of the car is 20 km per hour more than the speed of the train. Find the speed of the car and of the train. \n" ); document.write( "
Algebra.Com's Answer #623333 by lwsshak3(11628)\"\" \"About 
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A car travels 300 km in the same time that a train travels 200 km. The speed of the car is 20 km per hour more than the speed of the train. Find the speed of the car and of the train.\r
\n" ); document.write( "\n" ); document.write( "let x=speed of the train
\n" ); document.write( "x+20=speed of the car
\n" ); document.write( "travel time=distance/speed
\n" ); document.write( "300/(x+20)=200/x
\n" ); document.write( "lcd:x(x+20)
\n" ); document.write( "300x=200(x+20)
\n" ); document.write( "300x=200x+4000
\n" ); document.write( "100x=4000
\n" ); document.write( "x=40
\n" ); document.write( "x+20=60
\n" ); document.write( "speed of the train=60 km/hr
\n" ); document.write( "speed of the car=40 km/hr
\n" ); document.write( "
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