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# M70-09

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Math Expert
Joined: 02 Sep 2009
Posts: 52294

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03 Sep 2018, 02:14
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Difficulty:

(N/A)

Question Stats:

100% (00:24) correct 0% (00:00) wrong based on 2 sessions

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On January 1, 2015 an investor invested 1,000 dollars in Mustish Inc. stock and $$d$$ Dollars in Nintacor Inc. stock. If in 2015 Mustish’s stock grew by $$x\%$$ and Nintacor’s stock grew by 6%, what is the total value of both investments at the end of the year?

(1) $$d = 1,500$$

(2) $$x = 4$$

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Math Expert
Joined: 02 Sep 2009
Posts: 52294

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03 Sep 2018, 02:14
Official Solution:

We’ll go for LOGICAL because that is our first choice in Data Sufficiency.

In order to calculate the total value of both the investments at the end of the year, we need to know the value of each of the investments. For each investment, there’s one element missing: the rate by which the investment grew for one, and the invested amount for the other. We need both these missing parts to get the total value. Neither statement alone provides that, but both statements together do. (C) is correct.

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Re M70-09 &nbs [#permalink] 03 Sep 2018, 02:14
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# M70-09

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