Question
Archie took 54 min to drive from his house to the storage house and 3 h 27 min to deliver goods from the storage house to various places. He finished delivering the goods at 21 37. At what time did Archie leave his house? (Give your answer in 24-hour clock format.)
1 m

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Archie took 54 min to drive from his house to the storage house and 3 h 27 min to deliver goods from the storage house to various places. He finished delivering the goods at 21 37. At what time did Archie leave his house? (Give your answer in 24-hour clock format.)