SOLUTION: A man walks at 5km/h for 6 hours and 4km/h for 12 hours, what is his average speed?

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Question 1084785: A man walks at 5km/h for 6 hours and 4km/h for 12 hours, what is his average speed?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
%285%2A6%2B4%2A12%29%2F%286%2B12%29

%2830%2B48%29%2F18

78%2F18

4%261%2F3, kilometers per hour