a school has only three classes which contain 40,50, and 60 students respectively.the pass percentage of these classes are 10, 20, and 10 respectively. find the pass percentage of the school as a mixed fraction.
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a school has only three classes which contain 40,50, and 60 students respectively.the pass percentage of these classes are 10, 20, and 10 respectively. find the pass percentage of the school as a mixed fraction.
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