A shop is open from 9:30 AM to 8:00 PM. For how many hours is it open?
- A.9 h 30 min
- B.10 h
- C.10 h 30 min ✓
- D.11 h
Explanation: From 9:30 AM to 8:00 PM is 10 hours 30 minutes.
Class 6 IMO Mathematics Olympiad practice · Data & Measurement · Units, Time & Money
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