SOLUTION: How many different signals can be sent up on a flagpole if each signal requires seven blue and seven yellow flags and the flags are identical except for color?

Question 907648: How many different signals can be sent up on a flagpole if each signal requires
seven
blue and
seven
yellow flags and the flags are identical except for color?
Answer by Edwin McCravy(20060) (Show Source): You can put this solution on YOUR website!
How many different signals can be sent up on a flagpole if each
signal requires seven blue and seven yellow flags and the flags
are identical except for color?

The answer would be 14! if all the flags of the same color could 
be told apart.  But since they can't we must divide by the number 
of ways the 7 blue flags could be rearranged which is 7!, and 
also by the number of ways the 7 yellow flags could be rearranged
which is also 7!

Answer:  = 3432

Edwin

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