The main objective of this material comprised in three volumes, is to have a friendly and digestible narrative for all those colleagues who begin in the wonderful and enriching teaching career, teaching topics related to Operations Research for the engineering area and/or Quantitative Methods for economic-administrative areas; which also helps the student to understand in a more friendly way in a less dense language in technical terms, the topics, concepts and methods of linear programming. This second volume includes topics related to Transportation and Allocation models.