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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
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
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A Survey Of Mathematics With Applications
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
11th Edition
0135740460, 978-0135740460
