SOLUTION: Three pipes are used to fill a pool. The first pipe takes 8 hours to fill the pool. The second pipe takes 12 hours to fill the pool. The third pipe takes 24 hours to fill the pool.

Question 859637: Three pipes are used to fill a pool. The first pipe takes 8 hours to fill the pool. The second pipe takes 12 hours to fill the pool. The third pipe takes 24 hours to fill the pool. How long will it take to fill the pool using all three pipes?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/8+1/12+1/24=1/x
x=4
4/8 the first pipe does half or 3/6 or the work
4/12 the second pipe does 1/3 or 2/6 of the work
4/24 the third pipe does 1/6 of the work
for a total of one job well done.

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