Mathematics, 14.05.2021 14:00, mruffier6239

Tammy has scored 82, 78, and 93 on her previous three tests. What score does she need on her next test so that her average (mean) is 81?

Answers: 3

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Tammy has scored 82, 78, and 93 on her previous three tests. What score does she need on her next te...