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Let us have four distinct collinear points A, B, C and D on the Cartesian plane. The point C is such that AB/CB =1/2 and the point D is such that DA/BA = 3 and DB/BA = 2. If C = (0, 4), D = (4, 0) and A = (x,y) what is the value of 2x+y?

 Apr 29, 2019
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The answer is 17.

 Nov 29, 2019

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