Jina has scored 76, 85, and 86 on her previous three tests. What score does she need on her next test so that her average (mean) is 77?

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asked Feb 9, 2018 150k views

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Camara · Answer 1 · 2018-02-15T10:16:07+0000

Hello There!

Follow through these steps:
77 x 4 = 308
76 + 85 + 86 = 247
308 - 247 = 61.

She needs to score 61.

Hope This Helps You!
Good Luck :)

- Hannah ❤

Jina has scored 76, 85, and 86 on her previous three tests. What score does she need on her next test so that her average (mean) is 77?

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