Question
Mark and Gillian left Town W for Town X at the same time. When Mark reached Town X in 3 hours, Gillian had only completed 49 of the distance between the two towns. Gillian's speed was 30 km/h slower than Mark. What was Mark's speed?
5 m

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Mark and Gillian left Town W for Town X at the same time. When Mark reached Town X in 3 hours, Gillian had only completed 49 of the distance between the two towns. Gillian's speed was 30 km/h slower than Mark. What was Mark's speed?