document.write( "Question 1200641: 3 men can unload 270 kg of goods in 4 hours. How many men are needed to unload 540 kg of goods in 3 hours? \n" ); document.write( "
Algebra.Com's Answer #834815 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "3 men can unload 270 kg of goods in 4 hours. How many men are needed
\n" ); document.write( "to unload 540 kg of goods in 3 hours?
\n" ); document.write( "~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\r\n" );
document.write( "Let \"m\" be \"how many men are needed\", i.e. the quantity under the problem's question.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Write the proportion, which says that the rate of work for each man is the same in both cases\r\n" );
document.write( "\r\n" );
document.write( "    \"270%2F%283%2A4%29\" = \"540%2F%28m%2A3%29\".\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Simplify a bit\r\n" );
document.write( "\r\n" );
document.write( "    \"90%2F4\" = \"180%2Fm\".\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "From it, find m\r\n" );
document.write( "\r\n" );
document.write( "    m = \"%284%2A180%29%2F90\" = 4*2 = 8.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "ANSWER.  8 men are needed.\r\n" );
document.write( "
\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "----------------\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "To see many other similar  (and different)  problems,  solved by the same method,  look into the lesson\r
\n" ); document.write( "\n" ); document.write( "    - Rate of work problems \r
\n" ); document.write( "\n" ); document.write( "in this site.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "It was written specially for you,  to make your horizon  WIDER  and your knowledge  DEEPER.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );