document.write( "Question 986070: 16 men can finish a work in 12 days. After they worked for 4 days, some more men joined them and they together completed the remaining work in 4 days. How many more men joined in ? \n" ); document.write( "
Algebra.Com's Answer #606815 by josgarithmetic(39625)\"\" \"About 
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r, rate of one man in JOBS per DAY;
\n" ); document.write( "n, unknown number of men WHO JOINED IN, after the four days;\r
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\n" ); document.write( "\n" ); document.write( "\"16%2A4nr=1-2%2A16%2A4%2Ar\"\r
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\n" ); document.write( "\n" ); document.write( "\"n=%281-2%2A16%2A4%2Ar%29%2F%2816%2A4%2Ar%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"n=%281-2%2A16%2A4%2Ar%29%2F%2816%2A4%2Ar%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"n=%281-2%2A16%2A4%2A%281%2F%2816%2A12%29%29%29%2F%2816%2A4%2A%281%2F%2816%2A12%29%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"n=%281-2%2A%281%2F3%29%29%2F%281%2F3%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"n=%28%281-2%2A%281%2F3%29%29%2F%281%2F3%29%29%283%2F3%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"n=%283-2%29%2F1\"\r
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