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Mathematics 17 Online
OpenStudy (anonymous):

Jamila babysat nine times. She earned $15, $20, $10, $12, $20, $16, $80, and $18 for EIGHT babysitting jobs. How much did she earn the ninth time if the mean of the data set is $24? PLEASE WALK ME THROUGH IT!!!!!!! DO NOT JUST GIVE ME THE ANSWER-- I NEED TO UNDERSTAND IT

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