<PRE><B>Question 398804</B>
two men start togather to walk a certain distance. one at 4km/hr and the other at 4/3 km/h . the former arrives 30 minutes before. what is the total distance in kilometers?

...

let distance be x
..
Man A time = x/4 hours
Man B time = x/(4/3) hours
Time of B - Time of A = 1/2 
..
3x/4 - x/4 = 1/2
2x/4 = 1/2
4x = 4 
x= 1 km ...... Distance


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