document.write( "Question 978653: 15 men take 21 days of 8 hours each to do a piece of work. How many days\r
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Algebra.Com's Answer #600028 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
15*21*8=21*6*x
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\n" ); document.write( "5*8=2x
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