Question
Jack and Zara left Town Q for Town R at the same time. When Jack reached Town R in 5 hours, Zara had only completed 47 of the distance between the two towns. Zara's speed was 30 km/h slower than Jack. What was Jack's speed?
5 m

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Jack and Zara left Town Q for Town R at the same time. When Jack reached Town R in 5 hours, Zara had only completed 47 of the distance between the two towns. Zara's speed was 30 km/h slower than Jack. What was Jack's speed?