Question
Luis's swimming class usually lasts 1 h 50 min. However, last Friday, Luis's class lasted 13 min longer than usual. The class started 9 min late. As such, Luis's class ended at 5.22 p.m. instead of the usual time. What time does Luis's swimming class usually start? (Leave your answer in 24-hour clock format.)
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Luis's swimming class usually lasts 1 h 50 min. However, last Friday, Luis's class lasted 13 min longer than usual. The class started 9 min late. As such, Luis's class ended at 5.22 p.m. instead of the usual time. What time does Luis's swimming class usually start? (Leave your answer in 24-hour clock format.)