Question
Gem and David started biking at 7.50 a.m. along 9-km trail. Gem took 27 minutes to reach the finishing point. David’s speed was 14 km/h slower than Gem’s. At what time did David reach the finishing point?
3 m

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Gem and David started biking at 7.50 a.m. along 9-km trail. Gem took 27 minutes to reach the finishing point. David’s speed was 14 km/h slower than Gem’s. At what time did David reach the finishing point?