document.write( "Question 445244: A man travels for work averaging 40mph. On the return trip he averages 50mph, and it takes him an hour less time. How long was the return trip? \n" ); document.write( "
Algebra.Com's Answer #306765 by rwm(914)\"\" \"About 
You can put this solution on YOUR website!
Same as the original trip.
\n" ); document.write( "He returned.
\n" ); document.write( "Is this a trick question?
\n" ); document.write( "r*t=d
\n" ); document.write( "40*t=50(t-1)
\n" ); document.write( "40t=50t-50
\n" ); document.write( "50=10t
\n" ); document.write( "5=t
\n" ); document.write( "check
\n" ); document.write( "40*5=50*4
\n" ); document.write( "200=200
\n" ); document.write( "ok\r
\n" ); document.write( "\n" ); document.write( "200 miles either way
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