2. The Union Watersphere is a water tower topped with a sphere-shaped water tank in Union, New Jersey. It holds approximately 6,684 cubic feet of water. If the sphere on the water tower is to be repainted with two coats of paint, about how many gallons of paint will be needed? One gallon of paint can cover 400 square feet. (6 total points – 3 for work finding the radius, 2 for finding the surface area, 1 for gallons of paint.)