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October 24, 2014

October 24, 2014

Posted by **Laura** on Thursday, February 28, 2013 at 2:50am.

- Trigonometry -
**Steve**, Thursday, February 28, 2013 at 10:14amwhat's the circumference of the wheel? 30pi

So, 30pi ft flows by 11 times per minute

That makes a river speed of 30pi*11 ft/min

Now convert that to mi/hr

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