16. In a series of tests, A appeared for 8 tests.
Each test was marked out of 30 and averages
25. However, while checking his files, A could
only find 7 of the 8 tests. For these he scored
29 26, 18, 20, 27, 24 and 29. Determine how
many marks he scored for the eighth test.
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see the attachment
27 is the answer
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