Question
Jack and Nicole left Town C for Town D at the same time. When Jack reached Town D in 3 hours, Nicole had only completed 57 of the distance between the two towns. Nicole's speed was 28 km/h slower than Jack. What was Jack's speed?
5 m

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Jack and Nicole left Town C for Town D at the same time. When Jack reached Town D in 3 hours, Nicole had only completed 57 of the distance between the two towns. Nicole's speed was 28 km/h slower than Jack. What was Jack's speed?