Sep 17, 2009 #1 L lydia Member Joined May 22, 2008 Messages 98 Reaction score 0 Points 6 Three different sized pipes feed water into a swimming pool. If the pipes can fill the pool individually in 6 hours, 10 hours, and 9 hours. How long will it take to fill the pool if all three pipes are open?
Three different sized pipes feed water into a swimming pool. If the pipes can fill the pool individually in 6 hours, 10 hours, and 9 hours. How long will it take to fill the pool if all three pipes are open?