Answer
471 gallons
Work Step by Step
V=4$\pi$(5)
V=20$\pi$$\approx$62.8
62.8 ft$^3$$\times$7.5 gal/ft$^3$=471 gallons
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.