document.write( "Question 1079215: 5 men are hired to complete a job. If one more man is hired, the job can be completed 8 days earlier. Assuming that all the men work at the same rate, how many more men should be hired so that the job can be completed 28 days earlier? \n" ); document.write( "
Algebra.Com's Answer #693547 by Edwin McCravy(20060)![]() ![]() You can put this solution on YOUR website! The answer above and the answers below are all correct. \n" ); document.write( "I like AnlytcPhil's method below best. \r \n" ); document.write( "\n" ); document.write( "It takes 12 workers which is 7 more than the original 5\r \n" ); document.write( "\n" ); document.write( "1 worker takes 240 days \n" ); document.write( "5 workers take 240/5 = 48 days \n" ); document.write( "6 workers take 240/6 = 40 days, which is 1 more worker and \n" ); document.write( "8 days less, which checks.\r \n" ); document.write( "\n" ); document.write( "Thus 12 workers takes 240/12 = 20 days, which is 28 days less \n" ); document.write( "than the 48 days it takes 5 workers, which checks.\r \n" ); document.write( "\n" ); document.write( "Edwin \n" ); document.write( " \n" ); document.write( " |