Asked by philip!!!
A man run a distance of 9km/hr for a distance of 4km.And 2km/hr for the rest of the distance.The whole run takes him 1hour.his average speed for the first distance in 4km is?
Answers
Answered by
Steve
since time = distance/speed,
4/9 + x/2 = 1
That will tell you the rest of the distance.
I suspect you have garbled your question, since they told you his speed for the first 4km was 9km/hr.
4/9 + x/2 = 1
That will tell you the rest of the distance.
I suspect you have garbled your question, since they told you his speed for the first 4km was 9km/hr.
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