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by dreamv » Mon Feb 20, 2012 6:36 pm
The points A,B,C and D are on a number line, not necessarily in that order. If the distance between A and B is 18 and the distance between C and D is 8, what is the distance between B and D?

1) The distance between C and A is the same as the distance between C and B.
2) A is to the left of D on the number line.
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by GMATGuruNY » Mon Feb 20, 2012 6:43 pm
dreamv wrote:The points A,B,C and D are on a number line, not necessarily in that order. If the distance between A and B is 18 and the distance between C and D is 8, what is the distance between B and D?

1) The distance between C and A is the same as the distance between C and B.
2) A is to the left of D on the number line.
I posted a solution here:

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