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September 23, 2014

September 23, 2014

Posted by **natalia** on Tuesday, March 1, 2011 at 11:52pm.

- math -
**PsyDAG**, Wednesday, March 2, 2011 at 9:59amLet y = wind speed and x = plane speed

x + y = 1100

x - y = 750

Add the two equations.

2x = 1850

x = ?

Solve for x. Insert value into one equation to find y. To check, insert both values into other equation.

- math -
**Betsy**, Tuesday, December 6, 2011 at 7:41pmx=925

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