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II-A Math Combinatorics Lecture One Question #1.21
The answer wrote 768, but why is it *3*2 at the end? There are only five possibilities with a jacket and/or a hat: h1, h2, j, h1+j, or h2+j, where h1 & h2 represent the two hats and j represents the only jacket. Therefore, why isn't it *(3+2)?
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