document.write( "Question 894360: The working day in a factory is 8 hours long. To cut the workforce by x% without affecting the daily production output, the management had to raise the working hours to 10 hours per day. Find x.\r
\n" );
document.write( "\n" );
document.write( "The key has 20% as the answer. I don't understand how they got that answer. \n" );
document.write( "
Algebra.Com's Answer #541978 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! Lets say there are 100 workers working 8 hours a day \n" ); document.write( "8*100 is 800 man work hours \n" ); document.write( "if the number x works 10 hours for the same total of man work hours then 800/10=80 men working 10 hours \n" ); document.write( "100-80=20 men cut \n" ); document.write( "20/100=20% reduction \n" ); document.write( "You now are using 4/5 or 80% of the work force. You are using 1/5 or 20% less.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |