Mathematics, 15.07.2019 08:00 tonyanayy

Mariana averaged 72 on her first three history exams. the first score was 78. the second score was 6 less than the third score. what did she score on the second and third exams?

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Mariana averaged 72 on her first three history exams. the first score was 78. the second score was 6...

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