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3 December, 01:45

Evie has scores of 72, 78, 80 And 84 On four Science quizzes. What score must she get on the next quiz to have an average of at least 80?

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  1. 3 December, 04:27
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    X = the next quiz

    (72+78+80+84+x) / 5=80

    *5 * 5

    72+78+80+84+x=400

    314+x=400

    -314 - 314

    x=86

    Evie needs to get a score of 86 on her next science quiz.
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