



 
Kalen, I know there are 231 cubic inches in a gallon so I would find the volume of the pipe in cubic inches. I thing by a 6 inch pipe you mean an inside diameter of 6 inches so the pipe has radius 3 inches and length 500 × 12 = 6000 inches. The volume of a cylinder is given by
where r is the radius and h is the height (or length). Find the volume of the pipe in cubic inches and the divide by 231 to convert the volume to gallons. Penny  


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