Question
Cathy took 1 h 30 min to travel from Town U to Town V. If she reached Town V at 3.20 a.m., at what time did she start from Town U?
2 m

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Cathy took 1 h 30 min to travel from Town U to Town V. If she reached Town V at 3.20 a.m., at what time did she start from Town U?