document.write( "Question 472609: 18 men can dig a ditch in 10 days. After they have worked for 4 days how many more men shall be employed to complete the work in 4 days from then? \n" ); document.write( "
Algebra.Com's Answer #323992 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! 18 men can dig a ditch in 10 days. \n" ); document.write( " After they have worked for 4 days how many more men shall be employed to complete the work in 4 days from then? \n" ); document.write( ": \n" ); document.write( "Determine the no. of man-days required to do the job \n" ); document.write( "18 * 10 = 180 man-days \n" ); document.write( ": \n" ); document.write( "Let m = no. of additional men required to complete the job in 4 more days \n" ); document.write( "The original 18 men will work a total of 8 days \n" ); document.write( ": \n" ); document.write( "(18*8) + 4m = 180 \n" ); document.write( "144 + 4m = 180 \n" ); document.write( "4m = 180 - 144 \n" ); document.write( "4m = 36 \n" ); document.write( "m = \n" ); document.write( "m = 9 men required \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check this by finding the total man-days \n" ); document.write( "18*8 + 9*4 = 180 \n" ); document.write( " |