An airplane makes a 990 km flight with a tailwind and returns, flying into the same wind.The total flying time is 3 hrs 20 mins and the airplanes speed in still air is 600 km/h what is the speed of the wind?
An airplane makes a 990 km flight with a tailwind and returns, flying into the same wind.
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quadratics
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2What have you tried? You must have tried _something_ since you thought to tag the question "quadratics". Please explain that. Where do you get stuck? – 2012-09-28