Posted by **cha-cha** on Thursday, August 2, 2012 at 3:19am.

In how many districts ways can the letters in ENGINEERING be arranged?

- math -
**Damon**, Thursday, August 2, 2012 at 4:29am
There are 3 Es, 3 Ns, 2 Gs, 2 Is

in the 11 letters.

so how many different things do we have?

E, N , G, I or 4 different letters

If all 11 were different there would be 11! ways

However take away 3!, 3! , 2! , 2!

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