document.write( "Question 1032755: 30 labours construct 15 rooms in 18 days . in how many days can 12 labourers construct 12 rooms of the same size \n" ); document.write( "

Algebra.Com's Answer #647342 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
r , the rate for 1 laborer.
\n" ); document.write( "30r, the rate of 30 laborers.
\n" ); document.write( " $\"30r%2A18=15\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The form for the rule would be $\"nR%2At=j\"$ and the variables have meanings:
\n" ); document.write( "

n   number of laborers\r\n" );
document.write( "r   rate for 1 laborer\r\n" );
document.write( "t   time of doing any amount of work to produce so much quantity of jobs\r\n" );
document.write( "j   quantity of jobs

\n" ); document.write( "--
\n" ); document.write( " $\"12%28r%29%2At=12\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"12%28%2815%29%2F%2830%2A18%29%29t=12\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%281%2F36%29t=1\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"t=%2836%2F1%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28t=36%29\"$ $\"days\"$ \n" ); document.write( "

\n" );