Question
Shiyun took 1 h 40 min to travel from Town B to Town C. If she reached Town C at 3.45 a.m., at what time did she start from Town B?
2 m

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Shiyun took 1 h 40 min to travel from Town B to Town C. If she reached Town C at 3.45 a.m., at what time did she start from Town B?