A business student at Nowledge College must complete a total of 65 courses to graduate. The number of business courses must be greater than or equal to 23 . The number of nonbusiness courses must be greater than or equal to 20 . The average business course requires a textbook costing $60 and 120 hours of study. Nonbusiness courses require a textbook costing $24 and 200 hours of study. The student has $3,000 to spend on books.
a. Create a set of linear equations to describe the objective function and the constraints.