Question
Michael and Nicole left Town A for Town B at the same time. When Michael reached Town B in 4 hours, Nicole had only completed 57 of the distance between the two towns. Nicole's speed was 20 km/h slower than Michael. What was Michael's speed?
5 m

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Michael and Nicole left Town A for Town B at the same time. When Michael reached Town B in 4 hours, Nicole had only completed 57 of the distance between the two towns. Nicole's speed was 20 km/h slower than Michael. What was Michael's speed?