math
posted by John .
A large cube is made up of 27 small cubes. Each of the six faces of the large cube has 9 small squares. Each small square has an area of 144 square millimeters.
What is the length of each side of the large cube?

math 
Steve
small squares are 12x12
cube faces are 3x3 of 12x12 = 36x36
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