Mathematics, 22.02.2021 16:30 sulemmaa

Charmaine has scored 98, 66, 74, and 70 on her previous four tests. What score does she need on her next test so that her average (mean) is 77?

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Charmaine has scored 98, 66, 74, and 70 on her previous four tests. What score does she need on her...

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