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Math Help - Average..

  1. #1
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    Average..

    In a course run by the history department, a student scored 87% on the midsemester exam, 46% on the take-home final exam, 57% on the major project and 67% on the in-class essay. If the exams and the project contribute 20%, 30%, and 40% respectively to the overall grade (and the essay the remainder), determine the student's average course percentage correct to one decimal place.

    Now how would i work that out?.. help much appreciated!
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  2. #2
    MHF Contributor
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    You calculate a "Weighted" average, which really is not a new concept: (Total Points)/(Total Possible Points) is all we're doing. You just have to turn the percentages into points.

    Mid-Semester Exam 87% * 20%
    Take-Home Final 46% * 30%
    Major Project 57% * 40%
    In-Class Essay 67% * 10%

    Multiply and add. That's it.

    This student had better step it up a bit.
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