document.write( "Question 395595: 1 person can paint a house in 5 hours another person can paint the same house in 3 hours and another person can paint the house in 2 hours how long will it take all three people working together to paint the house?\r
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Algebra.Com's Answer #280719 by mananth(16946) You can put this solution on YOUR website! 1 person can paint a house in 5 hours another person can paint the same house in 3 hours and another person can paint the house in 2 hours how long will it take all three people working together to paint the house?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "A------------ 5 hours------------- 1/5 of job in 1 hour \n" ); document.write( "B-------------3 hours--------------1/3 of the job in 1 hour \n" ); document.write( "C-------------2 hours--------------1/2 of the job in 1 hour \n" ); document.write( ".. \n" ); document.write( "TOGETHER They do \n" ); document.write( "1/5 + 1/3 + 1/2 \n" ); document.write( "= (6+10+15)/30 \n" ); document.write( "31/30 of thejob in 1hour= \n" ); document.write( "So they will take 31/30 hours = 1.03 hours\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |