document.write( "Question 260221: A crew of 30 people can build a certain road in 60 days. After the tenth day the plans are changed; the company wants the road built in 30, not 60 days. How many more people must be hired? \n" ); document.write( "
Algebra.Com's Answer #191662 by richwmiller(17219)\"\" \"About 
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30*60=1800 man days
\n" ); document.write( "30*10=300 man days expended
\n" ); document.write( "1800-300=1500 man days to go
\n" ); document.write( "1500/20=75 workers
\n" ); document.write( "75-30=45 more workers to be hired
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