document.write( "Question 1036630: A farmer can plow a field in 40 minutes. His son can plow the same field in 1 hour.
\n" );
document.write( "How long would it take them to plow the field if they worked together?\r
\n" );
document.write( "\n" );
document.write( "Formula: (Together/alone)+(Together/alone)= 1 job done\r
\n" );
document.write( "\n" );
document.write( "*What I had so far, don't know if it's correct:
\n" );
document.write( "t=together
\n" );
document.write( "1 hour=60 minutes\r
\n" );
document.write( "\n" );
document.write( "(t/40 min.)+(t/60 min.)= 1 job done \n" );
document.write( "
Algebra.Com's Answer #651437 by jorel555(1290)![]() ![]() ![]() You can put this solution on YOUR website! t/40+t/60=1; \n" ); document.write( "3t+2t=120 \n" ); document.write( "5t=120 \n" ); document.write( "t=120/5=24 minutes working together!!!!!!!!! \n" ); document.write( " |