Through Math for America, I am part of an ongoing collaboration with the New York Times Learning Network. My latest contribution, a Test Yourself quiz-question, can be found here
Test Yourself Math — July 31, 2013
Eike Batista, a Brazilian businessman, has seen his personal fortune drop from $34.5 billion to $4.8 billion in the past year. Approximately how many average Brazilian households is his current fortune equivalent to?


