Mathematics, 08.04.2020 00:07 kendasinjab

Abby's average after taking 31 quizzes is 76. After her teacher drops Abby's 3 lowest test scores, her average increases to 81. What is the average of Abby's three lowest test scores?

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Abby's average after taking 31 quizzes is 76. After her teacher drops Abby's 3 lowest test scores, h...

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