Question
Tommy's badminton class usually lasts 1 h 40 min. However, last Tuesday, Tommy's class lasted 7 min longer than usual. The class started 8 min late. As such, Tommy's class ended at 6.50 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 40 min. However, last Tuesday, Tommy's class lasted 7 min longer than usual. The class started 8 min late. As such, Tommy's class ended at 6.50 p.m. instead of the usual time. What time does Tommy's badminton class usually start? (Leave your answer in 24-hour clock format.)