document.write( "Question 959377: Twelve men would take 15 days to finish a job if each works 8 hours a day. If this job has to be finished in 10 days,find the total number of extra hours that these 12 men must do altogether. \n" ); document.write( "

Algebra.Com's Answer #586416 by macston(5194) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%2812men%29%288hrs%2Fday%29%2815days%29=1440man-hrs\"$
\n" ); document.write( " $\"%281440man-hrs%29%2F%28%2812Men%29%2810days%29%29=12hrs%2Fday\"$
\n" ); document.write( "ANSWER: The men must work 12 hrs/day to finish in 10 days.
\n" ); document.write( " $\"%2812men%29%2F%288hrs%2Fday%29%2810days%29=960man-hrs\"$
\n" ); document.write( " $\"%281440man-hrs%29-%28960man-hrs%29=%28480man-hrs%29\"$
\n" ); document.write( "ANSWER: The men must work a total of 480 extra hours. \n" ); document.write( "

\n" );