Question
Linda and Valen started biking at 9.50 a.m. along 9-km trail. Linda took 30 minutes to reach the finishing point. Valen’s speed was 12 km/h slower than Linda’s. At what time did Valen reach the finishing point?
3 m

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Linda and Valen started biking at 9.50 a.m. along 9-km trail. Linda took 30 minutes to reach the finishing point. Valen’s speed was 12 km/h slower than Linda’s. At what time did Valen reach the finishing point?