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2 September, 01:43

Linh has obtained scores of 84, 75, and 73 on her midterm algebra exams. If the final exam counts twice as much as a midterm, what score must she make on her final exam to get an average score of 80?

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  1. 2 September, 03:29
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    (86+73+71+x+x) / 5=80

    86+73+71+2x=400

    230+2x=400

    2x=400-230

    2x=170

    x=170/2

    x=85 is what she has to get on her final exam
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