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?

Question

anonymous · Answer

You have eight numbers that, when added together, equal 191
You have to add one more number to that.  Then you must divide by 9 to get 24

anonymous · Answer

So, we can take 9 times 24=216   Then you need to take 216-191=?
That will give you your answer

anonymous · Answer

thanks

anonymous · Answer

Glad I could help.  If you have more problems just tag me

anonymous · Answer

okay