August 19, 2009
Order of Magnitude Quiz: The cost of street lights
Facing a budget shortfall, the town of Andover, MA, has decided to turn off 600 streetlights, leaving 900 on. How much do you think that will save Andover per year, according to the article in the Boston Globe?
This is an Order of Magnitude Quiz, which means you win if your answer is correct within an order of magnitude. It also means, however, that there’s nothing to win.
