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How many ways can 9 people be seated if 3 chairs are available?
Wiki User
∙ 12y ago
If the order is important, then: 9 choices for the first chair, 8 choices for the second, and 7 choices for the third = 9 x 8 x 7 = 504 ways. If order doesn't matter, then once you've picked 3 people, there are 6 ways to arrange them in the chairs, so divide by 6, or 84 ways.
See related link on combinations and permutations for more information on these types of problems.
Wiki User
∙ 12y ago
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