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