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Boat in the river problems

  1. Jan 16, 2008 #1
    [SOLVED] Boat in the river problems

    1. The problem statement, all variables and given/known data

    (a.) A boat took 1 hour 50 minutes to go 55 miles downstream and 3 hours 40 minutes to return. Find the rate of the current.

    (b.) A boat travels 60 miles downstream in the same time it takes to go 36 miles upstream. The speed of the boat is 15 mi/h greater than the speed of the current. Find the speed of the current.

    (c.) A boat travels 12 miles downstream in 1.5 hours. On the return trip the boat travels the same distance upstream in 2 hours. Find the rate of the boat in still water and the rate of the current.

    2. Relevant equations

    distance = rate * time

    3. The attempt at a solution

    I can't figure out how to solve any of these. Could you at least help me to set them up correctly? Thank you.
     
  2. jcsd
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