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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Originally Posted by MR FRESH 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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