Question
Tommy's badminton class usually lasts 1 h 50 min. However, last Wednesday, Tommy's class lasted 9 min longer than usual. The class started 17 min late. As such, Tommy's class ended at 6.49 p.m. instead of the usual time. What time does Tommy's badminton class usually start? (Leave your answer in 24-hour clock format.)
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Tommy's badminton class usually lasts 1 h 50 min. However, last Wednesday, Tommy's class lasted 9 min longer than usual. The class started 17 min late. As such, Tommy's class ended at 6.49 p.m. instead of the usual time. What time does Tommy's badminton class usually start? (Leave your answer in 24-hour clock format.)