Question
Billy took 31 min to drive from his house to the factory and 4 h 30 min to deliver goods from the factory to various places. He finished delivering the goods at 22 35. At what time did Billy leave his house? (Give your answer in 24-hour clock format.)
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Billy took 31 min to drive from his house to the factory and 4 h 30 min to deliver goods from the factory to various places. He finished delivering the goods at 22 35. At what time did Billy leave his house? (Give your answer in 24-hour clock format.)