Question
Rael took 36 min to drive from his house to the storage house and 4 h 45 min to deliver goods from the storage house to various places. He finished delivering the goods at 21 37. At what time did Rael leave his house? (Give your answer in 24-hour clock format.)
1 m

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Rael took 36 min to drive from his house to the storage house and 4 h 45 min to deliver goods from the storage house to various places. He finished delivering the goods at 21 37. At what time did Rael leave his house? (Give your answer in 24-hour clock format.)