Calculate how long it will take a swimmer to swim a distance of 7km against the current of a river which flows at 2.5km/hr, given that he can swim in still water at 4.4km/h
Pick one.
A) 6.67 B) 1.67 C) 2.67 D) 3.67 E) 4.67
swim in still water at = 4.4   speed of river= 2.5   US = 4.4 - 2.5= 
<gadget id="calculator">4.4 - 2.5</gadget>
<output>1.9</output>
1.9   3.67istance= 7   T = 7/1.9 = 3.67   Answer: 3.67
<result>D</result>
Calculate how long it will take a swimmer to swim a distance of 7km against the current of a river which flows at 2.5km/hr, given that he can swim in still water at 4.4km/h