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From 2001 to 2010, what was the percent increase in total sales revenu

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Math Expert
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Joined: 02 Sep 2009
Posts: 58335
From 2001 to 2010, what was the percent increase in total sales revenu  [#permalink]

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New post 11 Oct 2018, 04:12
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

88% (00:55) correct 13% (00:51) wrong based on 48 sessions

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From 2001 to 2010, what was the percent increase in total sales revenue of Company X?


(1) Total sales revenue of Company X in 2001 was 20 percent of the industry’s sales revenue in 2001.

(2) Total sales revenue of Company X in 2010 was 25 percent of the industry’s sales revenue in 2010.

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Re: From 2001 to 2010, what was the percent increase in total sales revenu  [#permalink]

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New post 11 Oct 2018, 06:02
The answer is E.

(1) and (2) are obviously insufficient on their own: each only mention 1 year, not enough to say anything about the difference.
Combined, we still don't have enough information - we have to know if and how the industry changed during this period. there's no basis of comparison between 0.2 of one total and 0.25 of another total, without knowing anything about the relation between the totals.
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Re: From 2001 to 2010, what was the percent increase in total sales revenu   [#permalink] 11 Oct 2018, 06:02
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From 2001 to 2010, what was the percent increase in total sales revenu

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