8 times could Jenny completely fill the glass with 1 gallon of water.
Given
Volume of pitcher = 1 gallon = 128 fluid ounces
Volume of one glass = 16 fluid ounces
The gallon is a unit of measurement used for liquids such as gasoline, water, and milk in the United States. If your car's tank is running on empty, then you better pull over and buy at least a few more gallons of gas. A gallon is equivalent to 4 quarts of liquid or 3.785 liters.
Total number of glass = Volume of pitcher/Volume of glass
= 128/16
= 8
= 8 glass
Therefore,
8 times could Jenny completely fill the glass with 1 gallon of water.
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