any tips on how i could understand these problems much better ? any help is appreciated, thanks!

4. - 25 points TEAFM2 3.1.020. My Notes Ask Your Teacher Formulate a linear programming problem that can be used to solve the following question An sirine has three types of airplanes and has contracted with a tour group to provide transportation for a m imum of 72 first-class, so tourist, and 106 economy class passengers. The plane costs $4000 for the trip and can accommodate 48 first-das, 16 tourist, and 22 economy-dass passengers, the second plane costs $5000 for the trip and can accommodate 16 first-das, 14 tourist, and economy class passengers, the third plane costs $0400 for the trip and can accommodate 24 first-class, 22 tourist, and 10 economy class passengers. How many of each type of airplane should be used to minimize the operating cost? (objective function) (first-class passengers) (tourist passengers) (economy-class passengers) - 0, 92 Seleco (nonegativity constraint) Additional Materials