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Dayle is paddling his canoe upstream, against the current, to a fishing spot 10 miles always. If he paddles upstream for 2.5 hours and his return trip takes 1.25 hours, find the speed of the current, and his still water????????

  • Math -

    V = his speed in still water
    v = the speed of the current

    10/(V-v) = 2.5 and 10/(V+v) = 1.25

    SOlve each for V and equate the results yields (10 + 2.5v)/2.5 = (10 - 1.25)/1.25.

    Solve for v and then V.

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