Math Proves It: Grocery Store Express Lane Not So Express

Math Proves It: Grocery Store Express Lane Not So Express

Here’s a different sort of grocery store math than you’re probably used to. A high school math teacher in Santa Cruz, California drew up a lesson plan for teaching students to answer the question: “which checkout line is the fastest?” Clearly, this is education after our own hearts. You may have your own anecdata on this subject, and even try to make predictions as you choose your line and thus your destiny, but that is no match for science.