$\"\"$

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1 oz = 128 gallons

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$\"\"$ = $\"\"$ × $\"\"$ $\"\"$

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= $\"\"$ × $\"\"$

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Cancel out common unit oz

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$\"\"$ = $\"\"$

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$\"\"$

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1 hour = 60 minutes

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1 minute = 60 seconds

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So 1 hour = 60 × 60 seconds

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1 hour = 3600 seconds

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1sec = $\"\"$

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$\"\"$

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$\"\"$ = $\"\"$

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Replace hour with $\"\"$

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$\"\"$ = $\"\"$

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$\"\"$

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Simplify $\"\"$

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$\"\"$ = $\"\"$ = 168.75 gallons per hour

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$\"\"$

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$\"\"$ = 168.75 gallons per hour