Question
Seth's badminton class usually lasts 1 h 40 min. However, last Thursday, Seth's class lasted 12 min longer than usual. The class started 12 min late. As such, Seth's class ended at 6.37 p.m. instead of the usual time. What time does Seth's badminton class usually start? (Leave your answer in 24-hour clock format.)
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Seth's badminton class usually lasts 1 h 40 min. However, last Thursday, Seth's class lasted 12 min longer than usual. The class started 12 min late. As such, Seth's class ended at 6.37 p.m. instead of the usual time. What time does Seth's badminton class usually start? (Leave your answer in 24-hour clock format.)