15
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Answer:
- 192
Step-by-step explanation:
The volume of the prism is 3 cube units, which means that the prism can be filled with 3 .
Here, there are 64 cubes with 1/4 units side lengths in 1 cubic unit.
Since the rectangular prism is made up of 3 cubic units, we would have
3 * 64 total cubes with 1/4 units side lengths.
Therefore, it takes 192 of the 1/4 unit cubes to fill the prism.
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