Question
Julie and Ben started biking at 9.40 a.m. along 9-km trail. Julie took 30 minutes to reach the finishing point. Ben’s speed was 12 km/h slower than Julie’s. At what time did Ben reach the finishing point?
3 m

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Julie and Ben started biking at 9.40 a.m. along 9-km trail. Julie took 30 minutes to reach the finishing point. Ben’s speed was 12 km/h slower than Julie’s. At what time did Ben reach the finishing point?