Question
Ivan and Fanny left Town U for Town V at the same time. When Ivan reached Town V in 5 hours, Fanny had only completed 57 of the distance between the two towns. Fanny's speed was 18 km/h slower than Ivan. What was Ivan's speed?
5 m

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Ivan and Fanny left Town U for Town V at the same time. When Ivan reached Town V in 5 hours, Fanny had only completed 57 of the distance between the two towns. Fanny's speed was 18 km/h slower than Ivan. What was Ivan's speed?