P9: Give or Take (Back-of-the-Envelope Estimates / Fermi Problems)

How many piano tuners are there in New York City? How much cheese is there in Delaware? And how can you find out? All of this and more on this problem-episode of Breaking Math. This episode distributed under a Creative Commons Attribution-ShareAlike-Noncommercial 4.0 International License. For more information, visit creativecommons.org Featuring theme song and outro by Elliot Smith of Albuquerque. [Featuring: Sofía Baca, Meryl Flaherty]