document.write( "Question 572447: A train runs x miles an hour and an automobile (x-y) miles an hour. How much longer will it take the automobile to run s miles than the train?\r
\n" ); document.write( "\n" ); document.write( "note. this is from an Algebraic Representation Exercises Algebra I High School 10th Grade
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Algebra.Com's Answer #368400 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Equation for train:
\n" ); document.write( "(1) \"+s+=+x%2At%5B1%5D+\"
\n" ); document.write( "Equation for car:
\n" ); document.write( "(2) \"+s+=+%28+x+-+y+%29%2A+t%5B2%5D+\"
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\n" ); document.write( "(1) \"+t%5B1%5D+=+s%2Fx+\"
\n" ); document.write( "and
\n" ); document.write( "(2) \"+t%5B2%5D+=+s%2F%28+x+-+y+%29+\"
\n" ); document.write( "\"+t%5B2%5D+-+t%5B1%5D+=+s%2F%28+x+-+y+%29+-+s%2Fx+\"
\n" ); document.write( "\"+t%5B2%5D+-+t%5B1%5D+=+s%2A%28+1%2F%28x-y%29+-+1%2Fx+%29+\"
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