Question
Xuan and Emma started walking at 4.15 a.m. Xuan walked for 35 min while Emma walked four times as long as Xuan. At what time did Emma finish her walk?
4 m

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Xuan and Emma started walking at 4.15 a.m. Xuan walked for 35 min while Emma walked four times as long as Xuan. At what time did Emma finish her walk?