February 20, 2017

Homework Help: Math

Posted by Annie on Thursday, February 4, 2010 at 7:49pm.

Use systems of lineear equations to solve:

An airplane flew for 6 hours with a 22-km/h tail wind. The return flight against the same wind took 8 hours. Find the speed of the plane in still air.

I know the answer is 154 km/hr (back of book resources :) )...I just don't understand how you would get to that answer.

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