document.write( "Question 473661: 18 workers do a job in 40 days, if 6 workers were added from the beginning of the job , how many days it will need to finish that job? \n" ); document.write( "
Algebra.Com's Answer #324862 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 18 workers do a job in 40 days, if 6 workers were added from the beginning of the job , how many days will be needed to finish that job? \n" ); document.write( "---- \n" ); document.write( "18*40 = 720 man-days are needed to do the job. \n" ); document.write( "--- \n" ); document.write( "With 18+6 = 24 workers the time required would be 720/24 = 30 \n" ); document.write( "------------------ \n" ); document.write( "Another way to work it would be: \n" ); document.write( "# of men and # of days are inversely related. \n" ); document.write( "d = k/m \n" ); document.write( "Solve for \"k\" using \"18 men do the job in 40 days\" \n" ); document.write( "40 = k/18 \n" ); document.write( "k = 720 \n" ); document.write( "--- \n" ); document.write( "Equation: \n" ); document.write( "d = 720/m \n" ); document.write( "---- \n" ); document.write( "Then solve \"if 6 workers were added from the beginning of the job , how many days will be needed to finish that job\"? \n" ); document.write( "--- \n" ); document.write( "d = 720/24 \n" ); document.write( "d = 30 days \n" ); document.write( "================== \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============\r \n" ); document.write( "\n" ); document.write( "-- \n" ); document.write( "Cheers,\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |