The average attendance per week of a class of 21 during a week is 5. If the average attendance per week of 20 of them during the week is 5.1 then the attendance of the last one during the week will be

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The average attendance per week of a class of 21 during a week is 5. If the average attendance per week of 20 of them during the week is 5.1 then the attendance of the last one during the week will be

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Posted Date:-2021-09-20 02:55:55

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