document.write( "Question 248197: Pls. help me \r
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document.write( "Romil can paint a fence in 4 hours, while Dina can do it in 5 hours. If the work together what part of the fence can they paint together in one hours? How long will it take them to finish painting the fence if they work together? \n" );
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Algebra.Com's Answer #180899 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! Romil can paint a fence in 4 hours, while Dina can do it in 5 hours. \n" ); document.write( " If the work together what part of the fence can they paint together in one hours? \n" ); document.write( "How long will it take them to finish painting the fence if they work together? \n" ); document.write( ": \n" ); document.write( "Find out how long to complete the job first. \n" ); document.write( ": \n" ); document.write( "Let t = time required when working together \n" ); document.write( "Let the completed job = 1 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "Multiply equation by 20, to get rid of the denominators, results: \n" ); document.write( "5t + 4t = 20 \n" ); document.write( "9t = 20 \n" ); document.write( "t = \n" ); document.write( "t = 2.22 hrs \n" ); document.write( ": \n" ); document.write( "In 1 hr they can paint |