Mathematics, 29.09.2019 08:30 Ebberman3410

One pipe fills a storage pool in 8 hours. a second pipe fills the same pool in 4 hours. when a third pipe is added and all three are used to fill the pool, it takes only 2 hours. find how long it takes the third pipe to do the job

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One pipe fills a storage pool in 8 hours. a second pipe fills the same pool in 4 hours. when a third...