document.write( "Question 913242: Twenty men can finish the job in 20 days. Twenty men were hired at the start and 10 quit after 5 days. How many days will it take to finish the job? \n" ); document.write( "
Algebra.Com's Answer #554367 by richwmiller(17219)\"\" \"About 
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20*20=400 man days needed
\n" ); document.write( "20*5=100 man days completed
\n" ); document.write( "400-100=300
\n" ); document.write( "300/10=30 days to complete the job
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