document.write( "Question 851507: Olga Palmieri can clean the gutters on 27 houses in 3.5 days. her co-worker, Jien Ping, can clean the same gutters in 4.5 days. How long will it take them working together to clean the gutters on the 27 houses? \n" ); document.write( "
Algebra.Com's Answer #512808 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
1/3.5+1/4.5=1/x
\n" ); document.write( "x = 1.96875
\n" ); document.write( "
\n" ); document.write( "
\n" );