



 
Hi Cory, There are 231 cubic inches in a US gallon so you need to find the volume in cubic inches. It sounds like you have a circular cylinder with a radius of 2 inches and a height of 25 feet, The volume of a circular cylinder is
where r is the radius and h is the height. Convert the height to inches, find the volume in cubic inches and then convert this volume to gallons. Penny  


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