Question
Bryan's boxing class usually lasts 1 h 5 min. However, last Wednesday, Bryan's class lasted 9 min longer than usual. The class started 20 min late. As such, Bryan's class ended at 4.40 p.m. instead of the usual time. What time does Bryan's boxing class usually start? (Leave your answer in 24-hour clock format.)
4 m

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Bryan's boxing class usually lasts 1 h 5 min. However, last Wednesday, Bryan's class lasted 9 min longer than usual. The class started 20 min late. As such, Bryan's class ended at 4.40 p.m. instead of the usual time. What time does Bryan's boxing class usually start? (Leave your answer in 24-hour clock format.)