Problem:
A solid box is by by . A new solid is formed by removing a cube on a side from each corner of this box. What percent of the original volume is removed?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
The total volume of the eight removed cubes is cubic centimeters, and the volume of the original box is cubic centimeters. Therefore the volume has been reduced by .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions