document.write( "Question 688937: trent can deliver his newspapers in 30 minutes. It takes Lois 60 minutes to do the same route. How long would it take them to deliver the newspapers if they work together. \n" ); document.write( "
Algebra.Com's Answer #425753 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
1/30+1/60=1/x
\n" ); document.write( "(2+1)/60=1/x
\n" ); document.write( "3/60=1/x
\n" ); document.write( "3x=60
\n" ); document.write( "x=60/3
\n" ); document.write( "x=20 minutes working together.
\n" ); document.write( "Proof:
\n" ); document.write( "1/30+1/60=1/20
\n" ); document.write( "3/60=1/20
\n" ); document.write( "1/20=1/20
\n" ); document.write( "
\n" );