Chickennoodleoops

1 Questions
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0

1720

2

+4

Help with a quadratic problem please?

"An airplane makes a 990 km flight with a tailwind and returns, flying into the same wind. The total flying time is 3 hours 20 minutes, and the airplane’s sped in still air is 600 km/h. What is the speed of the wind?"

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Chickennoodleoops Aug 3, 2016