document.write( "Question 959835: 9 persons can do 1/3 of a work in 10 day's.if they took 2 more day's to complete the work how many persons need to complete it? \n" ); document.write( "
Algebra.Com's Answer #586629 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! 9 persons can do 1/3 of a work in 10 days. \n" ); document.write( "if they took 2 more day's to complete the work, how many persons need to complete it? \n" ); document.write( ": \n" ); document.write( "Find how many man-days required to complete the work \n" ); document.write( "3(9 * 10) = 270 man-days \n" ); document.write( ": \n" ); document.write( "Find how many men (m) required if they took 12 days \n" ); document.write( "12m = 270 \n" ); document.write( "m = 270/12 \n" ); document.write( "m = 22.5 ~ 23 men required \n" ); document.write( ": \n" ); document.write( "------------------------------------------------------------------------ \n" ); document.write( "Sorry I made a mistake here, 10 days only completed 1/3 of the job, so it would take 30 days with 9 people \n" ); document.write( "therefore the equation should be \n" ); document.write( "Find how many men (m) required if they took 32 days,(two days more) \n" ); document.write( "32m = 270 \n" ); document.write( "m = 270/32 \n" ); document.write( "m = 8.4375 ~ 9 men still required, they would finish earlier on the 32nd day \n" ); document.write( " |