Answer:In a formula, the term "per" is used to indicate a rate or ratio between two variables. It signifies that the value preceding "per" is to be divided by the value following it. This notation is commonly utilized in various fields such as mathematics, physics, and economics to express relationships between quantities. "Per" serves as a clear and concise way to depict how one quantity changes in relation to another, providing crucial context for interpreting the formula and understanding the underlying principles it represents. By using "per" in a formula, the reader can discern the specific mathematical operation that should be performed to calculate the desired result, facilitating accurate analysis and comparison of different variables.