Pizza Hut Invites Fans to Crack Pi Day Math Problem

Image Caption: Image Credit: Pizza Hut offers fans 3.14 years of free pizza for solving equation.Exclusive Brief: 0Nobody knows "pie" like Pizza Hut, but this March 14, Pizza Hut is dropping the "e" in honor of Pi—3.14—everyone's favorite irrational number.Chains: Pizza Hut