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Blaze Welch

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13y ago

3 people can be selected from a pool of 8 people in (8 x 7 x 6) = 336 ways.

But each group of 3 can be selected and seated in (3 x 2 x 1) = 6 ways.

So the number of different 3-person subcommittees formed from 8 people is (336/6) = 56 .

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Q: How many ways can a 3-person subcommittee be selected from a committee of 8 people?
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