a plane traveled 285 miles to Perth and back. The trip there was with the wind. It took 3 hours. The trip back was into the wind. The trip back took 5 hours. What is the speed of the plane in still air? What is the speed of the wind?

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a plane traveled 285 miles to Perth and back. The trip there was with the wind. It took 3 hours. The trip back was into the wind. The trip back took 5 hours. What is the speed of the plane in still air? What is the speed of the wind?

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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x = speed of the plane y = speed of the wind one way trip is 285/2 = 142.5 miles d = rt d = (x + y)3 (the wind helps you out so you add x and y) d = (x - y)5 (the wind hurts you so you subtract x and y) 142.5 = 3x + 3y 142.5 = 5x - 5y Solve Multiply top by -5 and bottom by 3 so the y's cancel -5(142.5 = 3x + 3y) 3(142.5 = 5x - 5y) do you know how to solve from here?
yeah. thanks :)

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