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Math Help - [SOLVED] Algebra

  1. #1
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    [SOLVED] Algebra

    Suppose there are 12 seniors on the girls high school track team. How many different ways can three captains be picked?
    A)12
    B)220
    C)1320
    D)79,833,600
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  2. #2
    Junior Member
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    Quote Originally Posted by MR FRESH View Post
    Suppose there are 12 seniors on the girls high school track team. How many different ways can three captains be picked?
    A)12
    B)220
    C)1320
    D)79,833,600
    it is = 12 C 3 = 12! /( (12-3)1 * 3!)
    = 12! / ( 9! * 3!)
    = 12 * 11 * 10 / 3! = 220
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