The mean of Tanys's marks on five tests was 77.4. The marks on the first 4 test

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The mean of Tanys's marks on five tests was 77.4. The marks on the first 4 test were 88, 77, 70 and 72. Find the mark on the 5th test

Posted Date: May 19, 2024 10:06 PM

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The mean of Tanys's marks on five tests was 77.4. The marks on the first 4 test

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