Question
Harry took 2 h 10 min to travel from the library to his house. If he arrived home at 6.30 p.m., what time did he leave the library? (Give your answer in 12-hour clock format.)
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Harry took 2 h 10 min to travel from the library to his house. If he arrived home at 6.30 p.m., what time did he leave the library? (Give your answer in 12-hour clock format.)