The speed of the boat in still water is 5 times the speed of the current it takes 1.25 hrs to row to point B from point A and back to point A from point B. If the distance between point A and point B is 7.5 km what is the speed of the current
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7.5/v+x +7.5/v-x
V=5x
7.5/6x + 7.5/4x=1.25(as given)
1.25+1.875/x=1.25
3.125/1.25=2.5km/hr
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