This scenario tests basic arithmetic, unit conversion, and time calculations.Recommended grade: 6th.Difficulty level: Basic. This scenario was originally created by Kamil Wesołowski, Kacper Pogwizd, and Jakub Wojnar-Płeszka, students at the Cracow University of Economics. Scenario: Sylvia and Michael own a pizza place, “Omni Hut“, on a small island that’s a part of a big archipelago. […]