document.write( "Question 894307: 12 men complete the job in 6 days, 10 men and 21 women complete the same job in 3 days. how many days will require for 12 women to complete same job.
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Algebra.Com's Answer #541908 by josgarithmetic(39628)\"\" \"About 
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R rate for 1 man
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\n" ); document.write( "\n" ); document.write( "\"12%2AR%2A6=1\"; \"%2810R%2B21r%29%2A3=1\" because their rates are summed when working together.
\n" ); document.write( "These two equations are a system using the two variables, r and R.
\n" ); document.write( "Use the first one to find R, and use this now known R to find the value for r.\r
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\n" ); document.write( "\n" ); document.write( "\"R=1%2F%2812%2A6%29\"
\n" ); document.write( "\"highlight_green%28R=1%2F72%29\"
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\n" ); document.write( "\"%2810%2F72%2B21r%29%2A3=1\"
\n" ); document.write( "\"10%2F24%2B63r=1\"
\n" ); document.write( "\"63r=1-10%2F24\"
\n" ); document.write( "\"63r=1-5%2F12=12%2F12-5%2F12\"
\n" ); document.write( "\"63r=7%2F12\"
\n" ); document.write( "\"r=7%2F%2863%2A12%29\"
\n" ); document.write( "\"r=1%2F%289%2A12%29\"
\n" ); document.write( "\"highlight_green%28r=1%2F108%29\"
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\n" ); document.write( "\n" ); document.write( "The question is, how many days (t = time in DAYS) for 12 women to do 1 job?\r
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\n" ); document.write( "\n" ); document.write( "\"12%281%2F108%29%2At=1\"
\n" ); document.write( "\"t=108%2F12\"
\n" ); document.write( "\"highlight%28t=9%29\" DAYS
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