document.write( "Question 1119129: a train travels 200km in the same time that a plane covers 900km. If the speed of the plane is 20km per hour less than 5 times the speed of the train find both speed \n" ); document.write( "
Algebra.Com's Answer #734595 by josgarithmetic(39618)\"\" \"About 
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r, speed of train
\n" ); document.write( "-20+5r, speed of plane\r
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\n" ); document.write( "\n" ); document.write( "\"200%2Fr=900%2F%285r-20%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"200%2Fr=180%2F%28r-4%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"10%2Fr=9%2F%28r-4%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"10%28r-4%29=9r\"\r
\n" ); document.write( "\n" ); document.write( "\"10r-40=9r\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28r=40%29\"-------train speed, kilometers per hour
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