Question
Julian and Zara left Town G for Town H at the same time. When Julian reached Town H in 4 hours, Zara had only completed 57 of the distance between the two towns. Zara's speed was 18 km/h slower than Julian. What was Julian's speed?
5 m

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Julian and Zara left Town G for Town H at the same time. When Julian reached Town H in 4 hours, Zara had only completed 57 of the distance between the two towns. Zara's speed was 18 km/h slower than Julian. What was Julian's speed?