Mathematics, 14.12.2020 20:50 kylemartinez13

The Doe family is ready to fill their new swimming pool. It can be filled in 12 hours if they use their own water hose, and in 30 hours if they use Mr. Jones', their neighbor's water hose. How long will the Doe's take to fill their pool if the neighbor's hose is used along with their own? 6 1/2 hours
8 4/7 hours
4 2/7 hours

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The Doe family is ready to fill their new swimming pool. It can be filled in 12 hours if they use th...