Question
Simon's archery class usually lasts 1 h 40 min. However, last Thursday, Simon's class lasted 2 min longer than usual. The class started 20 min late. As such, Simon's class ended at 8.42 p.m. instead of the usual time. What time does Simon's archery class usually start? (Leave your answer in 24-hour clock format.)
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Simon's archery class usually lasts 1 h 40 min. However, last Thursday, Simon's class lasted 2 min longer than usual. The class started 20 min late. As such, Simon's class ended at 8.42 p.m. instead of the usual time. What time does Simon's archery class usually start? (Leave your answer in 24-hour clock format.)