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by missbootie on April 28th, 2009

missbootie

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The excursion boat on the river takes 2½ hours to make the trip to a point 12 miles upstream and to return. If the rate at which the boat travels in still water is 5 times the rate of the river current, what is the rate of the current?

{ how many mph}

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Answers. 1 helpful answer below.

  • by Marky Mark on April 28th, 2009

    Marky Mark

    First calculate the speed of the boat. The formula for Speed is Distance divided by Time. (S=D/T)

    What was the total distance travelled by the boat?

    Divide the speed/ rate of the boat by 5 to obtain the rate of the current.

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