$\"\"$

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The pool has a radius of $\"\"$ and a standard height of $\"\"$ .

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If the pool water is pumped out at a constant rate of $\"\"$ .

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Here $\"\"$ , $\"\"$ and $\"\"$ .

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Find the amount of water in the pool.

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The volume osf cylinder is $\"\"$ .

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$\"\"$ (Original formula)

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$\"\"$ (Substitute $\"\"$ and $\"\"$ in the formula)

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$\"\"$ (Multiply)

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$\"\"$ (Simplify)

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To convert the volume from feets to gallons: $\"\"$ .

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$\"\"$

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Find how long will it take to drain the pool.

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Time to drain the poo is $\"\"$ .

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Where, $\"\"$ is the time to drain the pool, $\"\"$ is the amount of water in the pool and $\"\"$ is the rate water is pumped to model the scenario.

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$\"\"$

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Convert minutes into hours.

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$\"\"$

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Therefore, it takes $\"\"$ to drain the pool.

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Option (F) is right choice.

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$\"\"$

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Option (F) is right choice.