2014 AMC 8 Problems/Problem 19
Revision as of 20:40, 26 November 2014 by Mathonator (talk | contribs)
Problem
A cube with -inch edges is to be constructed from
smaller cubes with
-inch edges. Twenty-one of the cubes are colored red and
are colored white. If the
-inch cube is constructed to have the smallest possible white surface area showing, what fraction of the surface area is white?