Introduction. 

As future professionals, especially people in the business world, need to understand the importance of being efficient taking into account that all resources in our society are scarce. In this regard, the need to find new and innovative strategies arises wherein Mathematics can actually play a role.

 In this chapter, students can learn about efficiency strategies, specifically through using linear programming and other mathematical methodologies alike. From learning the basics of linear inequalities and its systems, students after this lesson can learn how to save and be efficient in terms of their transportation problems, assignment problems, determining the shortest paths based on supply and demand, and learning how to do minimal spanning trees.