document.write( "Question 1179935: using pipe A, a pool can be filled with water in 4 hours. Pipe B can drain the pool in 8 hours. if both pipes were accidentally open, how long would it take to fill the pool? \n" ); document.write( "
Algebra.Com's Answer #809505 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
just answered. \n" ); document.write( "
\n" );