vlogbrothers
Big Oil RIPS YOU OFF -- via Unfair Mathematics (2009x27)
Fecha de emisión: Feb 22, 2009
In which John discusses rounding in math and how oil companies use it to cheat you out of millions of pennies on your gasoline purchases.
- Estrenada: Ene 2007
- Episodios: 2254
- Seguidores: 1
- En emisión
- YouTube
- a las 12