Question
Shiyun and Yen started walking at 4.10 a.m. Shiyun walked for 20 min while Yen walked five times as long as Shiyun. At what time did Yen finish her walk?
4 m

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Shiyun and Yen started walking at 4.10 a.m. Shiyun walked for 20 min while Yen walked five times as long as Shiyun. At what time did Yen finish her walk?