document.write( "Question 888822: 12 workers can do a piece of work in 20 days.How many workers should be added to complete the work in 16 days?
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Algebra.Com's Answer #537717 by richwmiller(17219)\"\" \"About 
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12*20=240 work days
\n" ); document.write( "240/16=15 workers
\n" ); document.write( "so add 3 workers
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