Question
Xavier and Ivory left Town J for Town K at the same time. When Xavier reached Town K in 4 hours, Ivory had only completed 49 of the distance between the two towns. Ivory's speed was 30 km/h slower than Xavier. What was Xavier's speed?
5 m

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Xavier and Ivory left Town J for Town K at the same time. When Xavier reached Town K in 4 hours, Ivory had only completed 49 of the distance between the two towns. Ivory's speed was 30 km/h slower than Xavier. What was Xavier's speed?