Mathematics, 25.10.2019 08:43 shelseamorrrow2411

Question 22 mary has scored 79 , 91 , 64 , 65 , and 71 on her previous five tests. what score does she need on her next test so that her average (mean is 77 ?

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Question 22 mary has scored 79 , 91 , 64 , 65 , and 71 on her previous five tests. what score does s...