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how many hours would it take fran to swim 0.8 miles upstream

How Many Hours Would It Take Fran To Swim 08 Miles Upstream class=

Sagot :

Fran's upstream speed (against the current):

       2.7 km/hr - 0.8 km/hr = 1.9 km/hr

Now we can answer each question by manipulating the distance formula to come up with our expression for calculating time:

   rate x time = distance

            time = distance / rate      

 

   Fran's upstream time = 9 / 1.9 = 4.7 hrs