Mathematics, 03.08.2019 03:30, AM28

Two groups went hiking, leaving at the same time and arriving back at the same time. while one group moved away at the speed 6 mph and then moved back at the speed 4 mph, the other group moved all the way with the same speed. what was the speed of this second group, if both groups covered the same total distance, 24 miles?

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Two groups went hiking, leaving at the same time and arriving back at the same time. while one group...