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by sanju09 » Fri Aug 27, 2010 12:36 am
Four dollar amounts, w, x, y, and z, were invested in a business. Which amount was the greatest?

(1) y < z < x.

(2) x was 25 percent of the total of the four investments.


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by Testluv » Fri Aug 27, 2010 12:55 am
(1) is insufficient by itself as there is no info about w.

(2) is insufficient by itself as there is no info about w, z, or y.

Combined you know that x is 25 percent while each of y and z are less than 25 percent. Thus, w must be greater than 25 percent, and is the largest.

Choose C.
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