Mathematics, 03.10.2019 10:20 ptrlvn01

Melissa has scored 83 , 84 , 93 , 77 , and 85 on her previous five tests. what score does she need on her next test so that her average (mean) is 83 ?

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Melissa has scored 83 , 84 , 93 , 77 , and 85 on her previous five tests. what score does she need o...

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