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The following chart shows the employee breakdown, number of

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The following chart shows the employee breakdown, number of [#permalink] New post 11 Oct 2017, 22:02
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The following graph shows the total revenues and total costs of QN Corporation, a publicly traded company, over the span 2007-2015. Recall that, for any year, profit = (revenue) – (cost).
Image
1) In 2013, the dollar amount of the profit at QN Corporation was approximately which of the following?

(A) $80 million

(B) $160 million

(C) $190 million

(D) $240 million

(E) $350 million

[Reveal] Spoiler: OA
C




2) From 2010 to 2015, revenue at QN Corporation increased by approximately what percent?

(A) 18%

(B) 47%

(C) 63%

(D) 84%

(E) 126%

[Reveal] Spoiler: OA
D




3) From 2009 to 2010, profit at QN Corporation increased by approximately what percent?

(A) 81%

(B) 165%

(C) 300%

(D) 433%

(E) 533%

[Reveal] Spoiler: OA
D



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Attachment:
Revenue-of-QN-Corporation.jpg
Revenue-of-QN-Corporation.jpg [ 28 KiB | Viewed 72 times ]
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Re: The following chart shows the employee breakdown, number of [#permalink] New post 15 Oct 2017, 01:17
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Q1: If we subtract the value of the costs from the revenues in 2013 we get the amount of profits in 2013. Thus, we have 350-160 = 190 million (C)

Q2: The percentage increase in revenues from 2010 to 2015 is computed as (460-250/250)*100 = 84%. (D)

Q3: The percentage increase in profits from 2009 to 2010 requires first the computation of profits as 110-80 = 30 in 2009 and 250-90 = 160 in 2010. Then, the percentage increase is (160-30/30)*100 = 433.33% (D)
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The following chart shows the employee breakdown, number of

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