What's 9+10=21 Funny Math 9 Plus 10 Kid Vine Meme Tank Top
- What's 9+10=21 originated from the viral video of the little boy being asked what 9 plus 10 is and him answering 21, following his brother calling him stupid. Next time someone asked you a math question follow up with twenty one..
- If you are a fan of memes, or just love math, mathematics jokes this is a great gift for you or a teacher with a good sense of humor..
- Lightweight, Classic fit, Double-needle sleeve and bottom hem.