vlogbrothers
Big Oil RIPS YOU OFF -- via Unfair Mathematics (2009x27)
Data di messa in onda: 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.
- Iniziato: Gen 2007
- Episodi: 2254
- Followers: 1