How many 3-person groups can be formed in a club with 8 people?

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How many 3-person groups can be formed in a club with 8 people?

2007-07-01 15:37:41 · 3 answers · asked by kill 1 in Science & Mathematics ➔ Mathematics

3 answers

well - only two groups of three and one group of two - though i suspect your teacher wants a different kind of answer to this question? stop cheating.

2007-07-01 15:45:13 · answer #1 · answered by A M 3 · 0⤊ 1⤋

N = 8*7*6 = 336

2007-07-01 15:54:44 · answer #2 · answered by Helmut 7 · 0⤊ 0⤋

Since order doesn't matter, this is a combination problem. The number of such groups is 8!/(3!*5!) = 56

Math Rules!

2007-07-01 15:50:20 · answer #3 · answered by Math Chick 4 · 0⤊ 0⤋