document.write( "Question 614558: It took John 12 hours riding his bike to make the round trip to his uncle's. If he averaged 20 mph out and 30 mph back, how long did he travel each way? (round answer to the nearest tenth) \n" ); document.write( "
Algebra.Com's Answer #386615 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! (d / 20) + (d / 30) = 12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "multiplying by 60 (LCD) ___ 3d + 2d = 720 \n" ); document.write( " |