document.write( "Question 730702: If 12 men working 8hrs a day can do a piece of work in 15 days, how many hrs a day must 20 men work in order to do it in 8 day? \n" ); document.write( "
Algebra.Com's Answer #446804 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If 12 men working 8hrs a day can do a piece of work in 15 days, how many hrs a day must 20 men work in order to do it in 8 day? \n" ); document.write( "---- \n" ); document.write( "hrs is indirectly related to # of days and to # of men \n" ); document.write( "----- \n" ); document.write( "h = k/(d*m) \n" ); document.write( "------ \n" ); document.write( "Solve for \"k\" using \n" ); document.write( "\"12 men working 8hrs a day can do a piece of work in 15 days\" \n" ); document.write( "8 = k/(15*12) \n" ); document.write( "k = 1440 \n" ); document.write( "------ \n" ); document.write( "Equation: \n" ); document.write( "h = 1440/(d*m) \n" ); document.write( "how many hrs a day must 20 men work in order to do it in 8 day?\r \n" ); document.write( "\n" ); document.write( "----------------- \n" ); document.write( "h = 1440/(8*20) \n" ); document.write( "--- \n" ); document.write( "hrs per day = 9 \n" ); document.write( "=================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "==================== \n" ); document.write( " |