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April 19, 2014

Homework Help: Math

Posted by Candice on Thursday, October 11, 2012 at 5:47am.

Find the probability that if the letters of the word "parallel" are randomly arranged that the L's will not be together.

In class, I'm studying permutations and combinations. The solutions stated the no. of permutations where 3 L's are together is 6!/2!. Could you please explain why?

Thanks in advance

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