Và LE Hannah is working two summer jobs, making $18 per hour lifeguarding and
$9 per hour clearing tables. Last week Hannah worked twice as many hours
clearing tables as she worked hours lifeguarding hours and earned a total of
$144. Graphically solve a system of equations in order to determine the
number of hours Hannah worked lifeguarding last week, x, and the number
of hours Hannah worked clearing tables last week, y.
Show the Graph