Question
Archie and Jean left Town L for Town M at the same time. When Archie reached Town M in 4 hours, Jean had only completed 47 of the distance between the two towns. Jean's speed was 30 km/h slower than Archie. What was Archie's speed?
5 m

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Archie and Jean left Town L for Town M at the same time. When Archie reached Town M in 4 hours, Jean had only completed 47 of the distance between the two towns. Jean's speed was 30 km/h slower than Archie. What was Archie's speed?