Mathematics, 19.08.2019 13:20 viktoria1198zz

Aswimming pool can be filled using either a pipe, a hose, or both. using the pipe alone takes 12 hours. using both it takes 8 hours. how long does it take using the hose alone?

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Aswimming pool can be filled using either a pipe, a hose, or both. using the pipe alone takes 12 hou...

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