- A1
- B18
- C15
- D9
Step-by-Step Solution
Paint reaches only the front slice and the back slice of 9 cubes each. The middle slice of cubes has no paint. (18 is the number of painted cubes.)
Answer: D) 9
Only the front and back faces of this cube are painted. How many of the small cubes have no paint once it is cut along the lines?
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