SAT math problem

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1

<p>ImageShack&#174</a>; - Online Photo and Video Hosting
i don't know the answer. :/</p>

2

<p>(x+y)/2 is the average of x and y, so it lies right in the middle of x and y. x is 4 units to the left of (x+y)/2, so y is 4 units to the right, which is point E.</p>