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A solid 6-by-6-by-6 cube is constructed from unit cubes and the entire outer surface is painted. What fraction of the unit cubes has zero painted faces? Express your answer as a common fraction.

 Jul 13, 2022

Best Answer 

 #1
avatar+2283 
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Note that only the inside 4 x 4 x 4 cube will not be painted. 

 

Can you take it from here?

 Jul 13, 2022
 #1
avatar+2283 
+1
Best Answer

Note that only the inside 4 x 4 x 4 cube will not be painted. 

 

Can you take it from here?

BuilderBoi Jul 13, 2022

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