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A traveler walks a certain distance. Had he gone half a
kilometer an hour faster , he would have walked it in 4/5
of the time, and had he gone half a Kilometer an hour
slower, he would have walked 2 ½ hr longer. What is the
distance?
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Answer Posted / guggilam raghuram
d/(x+1/2)=4/5*t
d/(x-1/2)=5/2+t
then d=15
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