9. Mark is a student, and he can work for at most 20 hours a week. He needs to earn at least $75 to cover his weekly expenses. His dog-walking job pays $5 per hour and his job as a car wash attendant pays $4 per hour. Write a system of inequalities to model the situation, and graph the inequalities. (Remember to define your variables, label the axes, and label the scale of the graph.)
9. Mark is a student, and he can work for at most 20 hours a week. He needs to earn at least $75 to cover his weekly expenses. His dog-walking job pays $5 per hour and his job as a car wash attendant pays $4 per hour. Write a system of inequalities to model the situation, and graph the inequalities. (Remember to define your variables, label the axes, and label the scale of the graph.)
Chapter4: Systems Of Linear Equations
Section4.7: Graphing Systems Of Linear Inequalities
Problem 4.118TI: Mary needs to purchase supplies of answer sheets and pencils for a standardized test to be given to...
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