Question
Billy and Winnie left Town G for Town H at the same time. When Billy reached Town H in 4 hours, Winnie had only completed 57 of the distance between the two towns. Winnie's speed was 30 km/h slower than Billy. What was Billy's speed?
5 m

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Billy and Winnie left Town G for Town H at the same time. When Billy reached Town H in 4 hours, Winnie had only completed 57 of the distance between the two towns. Winnie's speed was 30 km/h slower than Billy. What was Billy's speed?