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1 October, 05:43

A student scored 74 out of 100 on a test. if the maximum score on the next test is 100, what score does the student need to maintain at 78

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  1. 1 October, 06:46
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    Average = (sum of elements) / (number of elements)

    78 = (74+s) / 2 multiply both sides by 2

    156=74+s subtract 74 from both sides

    s=82

    So the student must earn an 82 on the next test to have an average of 78.
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