Question
Julian and Jaslyn left Town V for Town W at the same time. When Julian reached Town W in 4 hours, Jaslyn had only completed 57 of the distance between the two towns. Jaslyn's speed was 20 km/h slower than Julian. What was Julian's speed?
5 m

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Julian and Jaslyn left Town V for Town W at the same time. When Julian reached Town W in 4 hours, Jaslyn had only completed 57 of the distance between the two towns. Jaslyn's speed was 20 km/h slower than Julian. What was Julian's speed?