document.write( "Question 926422: If 6 men can do piece of work in 20days,how many extra men should engaged to do job in 15 days? \n" ); document.write( "
Algebra.Com's Answer #562241 by josgarithmetic(39617)\"\" \"About 
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r, the work rate for 1 man. The same 1 job is to be done in either case.\r
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\n" ); document.write( "\n" ); document.write( "Let n be the number of additional men.
\n" ); document.write( "\"highlight%286r%2A20=%286%2Bn%29r15%29\"; and just solve for n.
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