SOLUTION: Sally has 5 red flags 5 green flags and two white flags. How many 12-flag signals can she run up a flag pole? I know the formula is 12!/5!*5!*2!. But what does 12!/5!*5!*2!=

Algebra ->  Probability-and-statistics -> SOLUTION: Sally has 5 red flags 5 green flags and two white flags. How many 12-flag signals can she run up a flag pole? I know the formula is 12!/5!*5!*2!. But what does 12!/5!*5!*2!=      Log On


   

Question 885075: Sally has 5 red flags 5 green flags and two white flags. How many 12-flag signals can she run up a flag pole? I know the formula is 12!/5!*5!*2!. But what does 12!/5!*5!*2!=
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
12! = 12*11*10*9*8*7*6*5*4*3*2*1 = 479,001,600

5! = 5*4*3*2*1 = 120

2! = 2*1 = 2


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So,

12!/(5!*5!*2!) = (479,001,600)/(120*120*2) = 16,632