Question
David took 1 h 20 min to travel from the mosque to his house. If he arrived home at 4.40 p.m., what time did he leave the mosque? (Give your answer in 12-hour clock format.)
1 m

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David took 1 h 20 min to travel from the mosque to his house. If he arrived home at 4.40 p.m., what time did he leave the mosque? (Give your answer in 12-hour clock format.)