Audrey is working two summer jobs, making $12 per hour babysitting and making

$8 per hour washing cars. In a given week, she can work no more than 16 total

hours and must earn no less than $160. Also, she must work at least 2 hours

washing cars. If a represents the number of hours babysitting and y represents

the number of hours washing cars, write and solve a system of inequalities

graphically and determine one possible solution.