James walks a distance of 10km at an average speed of xkm/h.Jane walks the same...
James walks a distance of 10km at an average speed of xkm/h.Jane walks the same...
James walks a distance of 10km at an average speed of xkm/h.Jane walks the same distance at (x--1) km/h.If the difference in their times is 30minutes,find the value of x?
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