Question

There are approximately 7.5 gallons of water in 1 cubic foot. If a spherical water tank has a diameter of 24 feet, about how many gallons of water will it hold.

A. 10,000 gallons
B. 960 gallons
C. 31,400 gallons
D. 54,300 gallons

please help me!!!!!!!!

Answer 1

The volume of a sphere is pi r^2

r = 24/2 = 12

So, volume is about 452 cubic feet. Now, multiply it by 7.5 and you'll get 3,391