Question
Jack and Jade left Town Y for Town Z at the same time. When Jack reached Town Z in 4 hours, Jade had only completed 35 of the distance between the two towns. Jade's speed was 30 km/h slower than Jack. What was Jack's speed?
5 m

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Jack and Jade left Town Y for Town Z at the same time. When Jack reached Town Z in 4 hours, Jade had only completed 35 of the distance between the two towns. Jade's speed was 30 km/h slower than Jack. What was Jack's speed?