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Mathematics, 25.02.2021 21:50 gamingisfun

Melissa's math test scores for her first six tests are 66, 65, 72, 78, 93, 70. What score must Melissa get on her seventh test (x) to average a score of 80? (Hint: Solve for x)

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Melissa's math test scores for her first six tests are 66, 65, 72, 78, 93, 70. What score must Melis...
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