Posted by rangel on Saturday, March 24, 2012 at 6:57pm.
If a plane can travel 500 miles per hour with the wind 400 miles per hour against the wind, find the speed of the plane without a wind and the speed of the wind? What is the speed of the plane in still air?

Algebra  sandra, Saturday, November 21, 2015 at 12:15am
450 mph
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