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/2011/03/23/test-yourself-math-march-23-2011/

This question is based on Apple’s total profits from the sales of iPads.  Selling 15 million units at 25% profit really adds up!