+766 Find the number of ways that Magnus can give out $12$ identical stickers to $2$ of his friends, if every friend gets at least one sticker.
+2 We can solve this using stars and bars. Giving both friends one sticker, there are 10 stickers left over. We can place one bar. We have 10 spots for the stickers and 1 for the bar so there are 11 choose 1 ways to distribute the stickers. This gives 11 ways in total. Hope this helped!
