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July 31, 2014

July 31, 2014

Posted by **Wen** on Tuesday, September 20, 2011 at 4:06pm.

- algebra -
**Henry**, Wednesday, September 21, 2011 at 8:02pmd1 = d2,

(24-Vc)1.0333 = (24+Vc)0.5666,

24.8 - 1.033Vc = 13.6 + 0.5666Vc,

-1.0333Vc -0.5666Vc = 13.6 -24.8,

-1.6Vc = -11.2,

Vc = 7mi/h.

d1 = Distance upstream.

d2 = Distance downstream.

Vc = Velocity of the current.

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