How many jelly beans are in my jelly bean jar? closest answer receives 2 weeks paid vacation to North Dakota?

take the number of days in a year ...multiply the days of the year by 2 ... add 20 ... divide by 2 ... subtract the original number .... the answer is?|||Um.....10? o,o|||You have 10 jellybeans in your jellybean jar.|||10|||1.....I left you 1 uncleeeeeeeeeeeee!|||20 :P|||109|||10..I hope none of them is black liquorish.|||What's second prize? Three weeks in North Dakota?