document.write( "Question 906505: If 8 men can built a house in 90 days,in how many days can 20 men working under the same conditions as the 8 men built the house?
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Algebra.Com's Answer #549905 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
Here is another method.
\n" ); document.write( "The other tutor astutely noticed the common factor of 4.
\n" ); document.write( "8*90=720 man days\r
\n" ); document.write( "\n" ); document.write( "720/20=36 days for 20 men
\n" ); document.write( "Not sure which is easier.
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