Question
Luis and Betty left Town A for Town B at the same time. When Luis reached Town B in 3 hours, Betty had only completed 35 of the distance between the two towns. Betty's speed was 22 km/h slower than Luis. What was Luis's speed?
5 m

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Luis and Betty left Town A for Town B at the same time. When Luis reached Town B in 3 hours, Betty had only completed 35 of the distance between the two towns. Betty's speed was 22 km/h slower than Luis. What was Luis's speed?