Mathematics, 12.11.2020 08:40 wanderer3653
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.
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Hannah is working two summer jobs, making $18 per hour lifeguarding and $9 per hour clearing tables....
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