Question
Oscar took 1 h 20 min to travel from the clinic to his house. If he arrived home at 2.40 p.m., what time did he leave the clinic? (Give your answer in 12-hour clock format.)
1 m

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Oscar took 1 h 20 min to travel from the clinic to his house. If he arrived home at 2.40 p.m., what time did he leave the clinic? (Give your answer in 12-hour clock format.)