Question
Luke and Sarah left Town V for Town W at the same time. When Luke reached Town W in 3 hours, Sarah had only completed 35 of the distance between the two towns. Sarah's speed was 30 km/h slower than Luke. What was Luke's speed?
5 m

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Luke and Sarah left Town V for Town W at the same time. When Luke reached Town W in 3 hours, Sarah had only completed 35 of the distance between the two towns. Sarah's speed was 30 km/h slower than Luke. What was Luke's speed?