Tanks A and b are each in the shape of a right circular cylinder. The interior of tank A has a height of 10 meters and a circumference of 8 meters, and the interior B has a height of 8 meters and a circumference of 10 meters.The capacity of tank A is what percent of the capacity of tank B?
(A)75%
(B)80%
(C)100%
(D)120%
(E)125%
Ans:B
Why not C???