The expression that represents how much money you will earn if you work x number of hours can be calculated by multiplying the hourly rate ($15) by the number of hours worked (x).
Therefore, the expression is:
15x
You are interested in buying a new set of wireless headphones. You have recently started a part-time job where you earn $15 an hour. Write an expression that represents how much money you will earn if you work x number of hour
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