Jack is working two summer jobs, making $22 per hour tutoring and making $9 per hour landscaping. In a given week, he can work at most 12 total hours and must earn
a minimum of $180. Also, he must work no more than 8 hours tutoring. If z
represents the number of hours tutoring and y represents the number of hours
landscaping, write and solve a system of inequalities graphically and determine one
possible solution.