document.write( "Question 883377: two men A and B can finish a work in 16 days and 12 days respectively.A and B are working together after 4 days A left the work,then the remaining work completed by B in how many days? \n" ); document.write( "

Algebra.Com's Answer #533460 by Edwin McCravy(20056) $\"\"$ $\"About$

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two men A and B can finish a work in 16 days and 12 days respectively.A and B are working together after 4 days A left the work,then the remaining work completed by B in how many days?
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\n" ); document.write( ">>A...can finish a work in 16 days<<
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document.write( "So A's rate is \r\n" );
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\n" ); document.write( ">>...B can finish a work in...12 days<<
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document.write( "So B's rate is \r\n" );
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\n" ); document.write( "A and B are working together...(for)...4 days
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document.write( "So their combined work rate is  \r\n" );
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document.write( "For those 4 days before A left, they had done\r\n" );
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document.write( "So, when A left, there was still  of the job left for B to do by\r\n" );
document.write( "himself. Suppose it took B alone N days to do the remaining  of the\r\n" );
document.write( "job. Since B's work rate is , the equation is:\r\n" );
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document.write( "or\r\n" );
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document.write( "Multiply both sides by LCD=12\r\n" );
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document.write( "N = 5 days.\r\n" );
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document.write( "Edwin

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