Question
Marion and Archie started biking at 8.50 a.m. along 9-km trail. Marion took 27 minutes to reach the finishing point. Archie’s speed was 14 km/h slower than Marion’s. At what time did Archie reach the finishing point?
3 m

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Marion and Archie started biking at 8.50 a.m. along 9-km trail. Marion took 27 minutes to reach the finishing point. Archie’s speed was 14 km/h slower than Marion’s. At what time did Archie reach the finishing point?