SOLUTION: Find the number of different signals concocting of 11 flags that can be made using 4 red flags, 4 white flags and 3 blue flags

Question 947762: Find the number of different signals concocting of 11 flags that can be made using 4 red flags, 4 white flags and 3 blue flags
Answer by Edwin McCravy(20054) (Show Source): You can put this solution on YOUR website!

It's the same as the number of distinguishable arrangements of RRRRWWWWBBB.

That would be 11! if we could tell the R's apart, the W's apart, and the 
B's apart.  But since we can't, we must reduce the 11! by dividing it by
the factorials of 4, 4, and 3.

Answer  = 11550 signals.

Edwin

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