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Mathematics, 19.05.2021 03:10 ineedhelp2322

Reuben has scores of 70, 75, 83, and 80 on four Spanish quizzes. What score must he get on the next quiz to achieve an average of at least 80?

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Reuben has scores of 70, 75, 83, and 80 on four Spanish quizzes. What score must he get on the next...

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