Puzzle Corner #8
Maddy painted a rectangular block on all six faces and then cuts it into exactly 110 unit cubes. Eight of these cubes have exactly three faces painted. How many of these cubes have exactly two faces painted?
Maddy painted a rectangular block on all six faces and then cuts it into exactly 110 unit cubes. Eight of these cubes have exactly three faces painted. How many of these cubes have exactly two faces painted?