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March 31, 2015

March 31, 2015

Posted by **Taurus** on Wednesday, July 18, 2012 at 3:43pm.

- Algebra -
**Steve**, Wednesday, July 18, 2012 at 4:32pmIf the speed in still air is s, and the wind speed is w,

580/(s+w) = 5

580/(s-w) = 10

s=87

w=29

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