SOLUTION: Santa's elves are creating treat bags containing a selection of Kit Kats, Reese's cups and Almond Joys. (A) How many different types of bags can they make containing 15 chocolate

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Question 1079343: Santa's elves are creating treat bags containing a selection of Kit Kats, Reese's cups and Almond Joys.
(A) How many different types of bags can they make containing 15 chocolate bars.
(B) How many different types of bags can they make containing 15 chocolate bars if Santa wants to have at least 1 Kit Kat(s), 2 Reese's cup(s) and 2 Almond Joy(s) in the bag.

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
(A)
There are 3 choices for each of the 15 bars, so
my guess is:
3%5E15+=+14348907+
(B)
There are 5 bars in each bag that are decided on. They can be in
any order with no preference.
That leaves 10 bars and each one can be any of the 3 types
+3%5E10+=+59049+
DEFINITELY get another opinion on this
I'm kind of winging it.