Mathematics, 03.12.2020 22:20 HtetPaing9358

Lashonda has scored 69 , 65, and 77 on her previous three tests. What score does she need on her next test so that her average (mean) is 69?

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Lashonda has scored 69 , 65, and 77 on her previous three tests. What score does she need on her nex...

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