document.write( "Question 1191291: A farmer plough his land in 12 days if He uses 5 tractor s. How long will it take if He uses only 3 \n" ); document.write( "
Algebra.Com's Answer #823104 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
r, the rate for just 1 tractor\r
\n" ); document.write( "\n" ); document.write( "Five tractor rate is 5r; \"5r%2A12=1\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "For 3 tractors, x number of days.
\n" ); document.write( "\"5r%2A12=3r%2Ax=1\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"5%2A12=3x\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=%285%2A12%29%2F3\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=20%29\"
\n" ); document.write( "
\n" );