Question
Billy and Tiffany left Town W for Town X at the same time. When Billy reached Town X in 5 hours, Tiffany had only completed 25 of the distance between the two towns. Tiffany's speed was 30 km/h slower than Billy. What was Billy's speed?
5 m

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Billy and Tiffany left Town W for Town X at the same time. When Billy reached Town X in 5 hours, Tiffany had only completed 25 of the distance between the two towns. Tiffany's speed was 30 km/h slower than Billy. What was Billy's speed?