Question
Billy and Kathy left Town F for Town G at the same time. When Billy reached Town G in 3 hours, Kathy had only completed 35 of the distance between the two towns. Kathy's speed was 20 km/h slower than Billy. What was Billy's speed?
5 m

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Billy and Kathy left Town F for Town G at the same time. When Billy reached Town G in 3 hours, Kathy had only completed 35 of the distance between the two towns. Kathy's speed was 20 km/h slower than Billy. What was Billy's speed?