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16 November, 13:32

10) Jackson's scores on the first four algebra quizzes are 79, 88, 95, and 71. What score must he earn on the fifth quiz to earn an average quiz score of 85?

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  1. 16 November, 13:54
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    Based on the given information, let x represent the grade for the fifth quiz.

    (79+88+95+71+x) / 5=85

    (333+x) / 5=85

    333+x=425

    x=92

    Jackson would have to earn a 92 on his fifth quiz to earn an average of 85.
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