Question
Peter took 1 h 10 min to travel from the bistro to his house. If he arrived home at 6.40 p.m., what time did he leave the bistro? (Give your answer in 12-hour clock format.)
1 m

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Peter took 1 h 10 min to travel from the bistro to his house. If he arrived home at 6.40 p.m., what time did he leave the bistro? (Give your answer in 12-hour clock format.)