Permutations

jeffsbenson

New member
Joined
Oct 13, 2017
Messages
1
Hello --

I am a little rusty on my math and hoping someone can help me out with a problem I am working on. Here is the gist:

How many permutations are there for the following?
-- a + b + c + d + e + f + g +h + i = 144
-- there are 16 possible choices for a through I
-- repetition is allowed (i.e. 16 + 16 + ....)
-- Must know the number of permutations as (16 + 15 is not the same as 15 + 16 for these purposes)

I think this is a stars and bars problem but am not certain.

Thank you for your help!

Jeff
 

tkhunny

Moderator
Staff member
Joined
Apr 12, 2005
Messages
10,030
Maybe. Let's see your best "Stars and Bars".
 
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