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A math teacher puts grade on the scorecard, counting the arithmetic mean of grades for the tests. Vanya has the following grades for tests:
| Test number | 1 | 2 | 3\ | 4\ | 5\ | 6 | 7 | 8\ | 9 | 10 |
Grade | 7 | 9 | 7 | 8 | 7 | 9 | 5 | 7 | 7 | 9 |
What grade will be on the scorecard? (integer).
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