Question
Xuan and Henry started biking at 9.40 a.m. along 10-km trail. Xuan took 30 minutes to reach the finishing point. Henry’s speed was 14 km/h slower than Xuan’s. At what time did Henry reach the finishing point?
3 m

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Xuan and Henry started biking at 9.40 a.m. along 10-km trail. Xuan took 30 minutes to reach the finishing point. Henry’s speed was 14 km/h slower than Xuan’s. At what time did Henry reach the finishing point?