Question
Xuan and Oliver started biking at 6.50 a.m. along 9-km trail. Xuan took 27 minutes to reach the finishing point. Oliver’s speed was 14 km/h slower than Xuan’s. At what time did Oliver reach the finishing point?
3 m

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Xuan and Oliver started biking at 6.50 a.m. along 9-km trail. Xuan took 27 minutes to reach the finishing point. Oliver’s speed was 14 km/h slower than Xuan’s. At what time did Oliver reach the finishing point?