word problem

Asked by  | 1st Jul, 2008, 04:47: PM

Expert Answer:

let the uniform speed is = x km/hr

time = t

distance = d

d = tx

d = (x+ 0.5) 4/5t

d = (x - 0.5) (t +2.5)

after solving these 3 equations we get x = 2 km/hr

t = 7.5 hrs

and Distance = 15 km

Answered by  | 2nd Jul, 2008, 03:27: PM

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