statistics?mean average with lowest number out?
posted by tony .
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?

statistics?mean average with lowest number out? 
Ms. Sue
I agree with Steve.
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