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January 28, 2015

January 28, 2015

Posted by **jon** on Wednesday, February 8, 2012 at 11:29pm.

- algebra -
**Steve**, Thursday, February 9, 2012 at 12:50pmassuming the plane flies at speed p, and the wind at speed w,

4.4(s-w) = 4(s+w)

4.4s - 4.4w = 4s + 4w

.4s = 8.4w

s = 21w

4*22w = 1700

w = 19.318

s = 405.68

check:

4.4*386.36 = 1700

4*425 = 1700

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