document.write( "Question 625909: Fred has 5 hours at his disposal. How far (in miles) can he ride his bicycle, going at 10 miles per hour, and returning by the same route at 4 miles per hour? \n" ); document.write( "
Algebra.Com's Answer #393883 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! x+y=5; \n" ); document.write( "10x=4y \n" ); document.write( "5x=2y \n" ); document.write( "2x+2y=10 \n" ); document.write( "2x+5x=10 \n" ); document.write( "7x=10 \n" ); document.write( "x=10/7 \n" ); document.write( "10/7+y=5 \n" ); document.write( "10/7+y=35/7 \n" ); document.write( "y=25/7 \n" ); document.write( " \n" ); document.write( " |