document.write( "Question 750604: You and your friend have been hired to paint a room. It takes you 4 hours working alone to do the job. It takes your friend 5 hours working alone to do the job. How long would it take both of you to paint the room? \n" ); document.write( "
Algebra.Com's Answer #456727 by tommyt3rd(5050)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so that t=20/9hr = 2 2/9 hr\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ":) \n" ); document.write( " |