document.write( "Question 1123151: Kathryn went to the study group traveling 25 mph and returned home traveling 20 mph. If the total trip took 9 hours, how long did Kathryn travel at each speed? \n" ); document.write( "
Algebra.Com's Answer #739410 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
x hours at 25 mph or 25x miles
\n" ); document.write( "9-x hours at 20 mph or 20(9-x) miles\r
\n" ); document.write( "\n" ); document.write( "The distances are equal
\n" ); document.write( "25x=180-20x
\n" ); document.write( "45x=180
\n" ); document.write( "x=4 hours
\n" ); document.write( "at 25 mph, 100 miles\r
\n" ); document.write( "\n" ); document.write( "9-x=5 hours
\n" ); document.write( "at 20 mph, 100 miles
\n" ); document.write( "
\n" );