Question
Andy and Lucy left Town K for Town L at the same time. When Andy reached Town L in 4 hours, Lucy had only completed 57 of the distance between the two towns. Lucy's speed was 18 km/h slower than Andy. What was Andy's speed?
5 m

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Andy and Lucy left Town K for Town L at the same time. When Andy reached Town L in 4 hours, Lucy had only completed 57 of the distance between the two towns. Lucy's speed was 18 km/h slower than Andy. What was Andy's speed?