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October 25, 2014

October 25, 2014

Posted by **please help me out!!** on Thursday, March 28, 2013 at 12:16pm.

- ALGEBRA(Sum of Absolute Value Differences) -
**Steve**, Thursday, March 28, 2013 at 1:30pmNote that |x-a|+|x-b| is constant (b-a) for a<=x<=b

So, since |x-123|+|x-789| is constant for 123<=x<=789, the minimum occurs at x=456, and is 666.

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