you are interested in buying a new set of wireless headphones you have recemtly started a part time job wre you earn 15 an hour write an expression that represent how much money you will earn if you work x number of hours

The expression that represents how much money you will earn if you work x number of hours can be written as:

Total earnings = x * 15

In this expression, 'x' represents the number of hours you work, and '15' represents the hourly wage of $15. Multiplying the number of hours worked by the hourly wage will give you the total earnings.