Math Quiz: NYT Learning Network

Through Math for America, I am part of an on-going collaboration with the New York Times Learning Network.  My latest contribution, a Test Yourself quiz-question, can be found here:

http://learning.blogs.nytimes.com/2010/12/22/test-yourself-math-dec-22-2010/

This question is based on the recent GM re-IPO.  Apparently, excessive media coverage can raise the value of a stock!