Question
Peter and Mary left Town N for Town P at the same time. When Peter reached Town P in 4 hours, Mary had only completed 35 of the distance between the two towns. Mary's speed was 22 km/h slower than Peter. What was Peter's speed?
5 m

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Peter and Mary left Town N for Town P at the same time. When Peter reached Town P in 4 hours, Mary had only completed 35 of the distance between the two towns. Mary's speed was 22 km/h slower than Peter. What was Peter's speed?