Question
Vaidev and Jean left Town C for Town D at the same time. When Vaidev reached Town D in 4 hours, Jean had only completed 35 of the distance between the two towns. Jean's speed was 20 km/h slower than Vaidev. What was Vaidev's speed?
5 m

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Vaidev and Jean left Town C for Town D at the same time. When Vaidev reached Town D in 4 hours, Jean had only completed 35 of the distance between the two towns. Jean's speed was 20 km/h slower than Vaidev. What was Vaidev's speed?