A cylindrical vase has a diameter of 4 inches. At the bottom of the vase, there are 6 marbles, each of diameter 2 inches. The vase is filled with water up to a height of 8 inches.What is the volume of water in the vase?

Question

A cylindrical vase has a diameter of 4 inches.  At the bottom of the vase, there are 6 marbles, each of diameter 2 inches. The vase is filled with water up to a height of 8 inches.What is the volume of water in the vase?

anonymous · Answer

The marbles are spheres.  The volume of a sphere is
V=4 3  πr 3

anonymous · Answer

There are 6 marbles and their radius is 1 so replace r with 1 in the formula and multiply the answer by 6 since there are 6 marbles.  That will be the volume of the marbles.

anonymous · Answer

I did that and i din't get it the choices are 
16π in3
24π in3
26π in3 
32π in3

anonymous · Answer

the answer is D