Question
Mary and Harry started biking at 7.50 a.m. along 10-km trail. Mary took 30 minutes to reach the finishing point. Harry’s speed was 14 km/h slower than Mary’s. At what time did Harry reach the finishing point?
3 m

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Mary and Harry started biking at 7.50 a.m. along 10-km trail. Mary took 30 minutes to reach the finishing point. Harry’s speed was 14 km/h slower than Mary’s. At what time did Harry reach the finishing point?