February 20, 2017

Homework Help: algebra

Posted by Libuse on Sunday, February 26, 2012 at 8:41pm.

An airplane flying with the wind can cover a certain distance in a = 3 hours. The return trip against the wind takes b = 4.5 hours. How fast is the plane and what is the speed of the wind, if the one-way distance is c = 720 miles?

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