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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " \n" ); document.write( " |