Question
Tommy and Esther left Town X for Town Y at the same time. When Tommy reached Town Y in 6 hours, Esther had only completed 47 of the distance between the two towns. Esther's speed was 21 km/h slower than Tommy. What was Tommy's speed?
5 m

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Tommy and Esther left Town X for Town Y at the same time. When Tommy reached Town Y in 6 hours, Esther had only completed 47 of the distance between the two towns. Esther's speed was 21 km/h slower than Tommy. What was Tommy's speed?