Question
Ivory and Bobby started biking at 7.30 a.m. along 10-km trail. Ivory took 30 minutes to reach the finishing point. Bobby’s speed was 14 km/h slower than Ivory’s. At what time did Bobby reach the finishing point?
3 m

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Ivory and Bobby started biking at 7.30 a.m. along 10-km trail. Ivory took 30 minutes to reach the finishing point. Bobby’s speed was 14 km/h slower than Ivory’s. At what time did Bobby reach the finishing point?