Question 422299
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Hi
Sammy paddles 24 miles downstream in 2 hours and he make the return trip in 3 hours.
Let x and c represent speed in still water and the speed of the current
Question states*** Note: rate = D/t
 x + c = 12mph   (24mi/2hr)
 x - c =  8mph   (24mi/3hr)
   2x = 20mph
    x = 10mph, speed in still water and the speed of the current is 2mph

CHECKING our Answer***
   2*(x+c) = 2*12mph = 24mi