[math-fun] Is Algebra Necessary?

Dan Meyer twittered yesterday: "So glad the @nytimes found an answer to their question from 2012, 'Is Algebra Necessary?'" pointing to this Sunday, Michael Ciepy, NY Times information piece: "'The Interview' generated roughly $15 million in online sales and rentals during its first four days of availability, Sony Pictures said on Sunday. Sony did not say how much of that total represented $6 digital rentals versus $15 sales. The studio said there were about two million transactions over all."