What is 1 equals PAT?

The equation "1 equals PAT" is not a standard mathematical expression and lacks context. However, if you are referring to the concept of "PAT" as an abbreviation for "Product, Activity, Time" in project management or operations, then it might imply that a unit of measurement or standard can be expressed in terms of product, activity, and time. More specific information would be needed to provide a clearer explanation.