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7. What are the given facts in the problem?
A. 28 hours practice, 12 4/5 hours last week and 10 days
B. B. 38 hours practice, 8 4/5 hours last week and 2 days
C. C. 28 hours practice, 8 4/5 hours last week and 12 days
D. 30 hours practice, 8 1/5 hours last week and 12 days​