CK-12: Andrew Gloag, Anne Gloag, and Melissa Kramer's "Systems of Linear Inequalities"

Read the article until the section "Linear Programming - Real-World Systems of Linear Inequalities." Scroll down to the section "Practice Problems," and watch "Systems of Linear Inequalities" video embedded in the text. Then, complete practice problems 6-16. Once you have completed the practice problems, check your answers against the answer key.