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    Cierra17's Avatar
    Cierra17 Posts: 1, Reputation: 1
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    #1

    Feb 3, 2012, 09:34 PM
    What is the minimum mark a student could have scored?
    12 students sit exam with a max score of 100. The average of 12 scores was 95. What is the minimum mark a student could have scored?
    Aurora2000's Avatar
    Aurora2000 Posts: 111, Reputation: 16
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    #2

    Feb 4, 2012, 02:12 AM
    Average score = 95, thus combined score of 12 students is 95x12=1140.

    If 11 students score 100, then their combined score is 11x100=1100. So the last student must score at least 40. The minimum is then 40.
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