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)![]() ![]() ![]() 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 \n" ); document.write( " |