Abstract: The essence of the economic-mathematical model is that the issue is first described
in an economic form, in a simple way. Along with the main characteristics of the issue considered
here, other factors affecting the result are taken into account. As can be seen, the mathematical
model of this type of problem must reflect both the characteristics and properties of the problem.
The construction of a mathematical model of some practical problems and their solution can be
solved in the mathematics course of general education schools, and the solution of these types of
problems plays a positive role in improving the rational thinking abilities of students. The article
shows the construction of a mathematical model of some types of practical problems and their
solution, as well as the requirements for the constructed mathematical model. At the same time, it
was shown that the solution to the mathematical problem and that the solution is accessible to
anyone who has mastered the secondary school curriculum.
Keywords: optimal, mathematical model, constraint conditions, rational, thinking raw
material, table, graph