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:

https://learning.blogs.nytimes.com/2011/11/21/test-yourself-math-nov-21-2011/

This problem is related to the number of U.S. college students graduating with degrees in engineering.  How many of these graduates are women?