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20 13 Sichuan civil servants' real questions (math travel questions) Xiao Zhang and Xiao Wang set out from one place at the same time.
According to the meaning of the question, two people start from the same place, and the sum of the journeys when they meet for the first time is two whole journeys. Suppose Xiao Zhang leaves X and Xiao Wang leaves Y; When they met for the second time, they walked four whole courses, Xiao Zhang walked 2y and Xiao Wang walked X-Y; X=2y is obtained by proportional method, so the speed ratio of two people is 2: 1.
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