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anonymous

  • 5 years ago

You travel 36 miles downstream in 4 hours when the current is 2 mph. In order to accomplish this , you must be paddling the boat at???

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  1. anonymous
    • 5 years ago
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    7mph

  2. anonymous
    • 5 years ago
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    rate * time = distance Distance covered floating downstream without rowing in 4 hours 2*4=8 Distance covered rowing downstream with a 2mph current and rowing at 7mph. 9*4=36 Let r = rowing speed (r+2)*4=36 Solve for r. r=7mph

  3. anonymous
    • 5 years ago
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    how did you figure that out?

  4. anonymous
    • 5 years ago
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    Does my posting make any sense?

  5. anonymous
    • 5 years ago
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    yes..that makes sense.Thank you very much!

  6. anonymous
    • 5 years ago
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    Have a good day.

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