+842 Find the number of ways that Magnus can give out $12$ identical stickers to $2$ of his friends. (Not everyone has to get a sticker.)
+1926 We can essentially list everything out.
We have
\(12-0\\ 11-1\\ 10-2\\ 9-3\\ 8-4\\ 7-5\\ 6-6\\ 5-7\\ 4-8\\ 3-9\\ 2-10\\ 1-11\\ 0-12\\\)
As you can see, there are 13 ways we can do this.
Thanks! :)
