document.write( "Question 44136: My problem is; Kristi jogged for 3/5 of an hour, swam for 1/2 of an hour, and rode her bicycle for 3/4 of an hour. How long did she exercise? \n" ); document.write( "
Algebra.Com's Answer #29074 by adamchapman(301)![]() ![]() ![]() You can put this solution on YOUR website! 3/5+1/2+3/4=t \n" ); document.write( "where \"t\" is the time she spent exercising \n" ); document.write( "multiply both sides by all the denominators: \n" ); document.write( "3(2*4)+1(5*4)+3(5*3)=(5*2*4)t \n" ); document.write( "24+20+75=40t \n" ); document.write( "t=(24+20+75)/40 \n" ); document.write( "t=2.975 hours\r \n" ); document.write( "\n" ); document.write( "I hope this helps \n" ); document.write( "P.S. I am trying to start up my own homework help website. I would be extremely grateful if you would e-mail me some feedback on the help you received to adam.chapman@student.manchester.ac.uk \n" ); document.write( " \n" ); document.write( " |