Question
Peter and Yen left Town P for Town Q at the same time. When Peter reached Town Q in 5 hours, Yen had only completed 58 of the distance between the two towns. Yen's speed was 21 km/h slower than Peter. What was Peter's speed?
5 m

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Peter and Yen left Town P for Town Q at the same time. When Peter reached Town Q in 5 hours, Yen had only completed 58 of the distance between the two towns. Yen's speed was 21 km/h slower than Peter. What was Peter's speed?