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CHARITABLE ANNUAL DONATIONS TO CHARITY GROUP X
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31 May 2017, 06:56
31 May 2017, 06:56
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Question Stats:
82% (01:57) correct
17% (01:19) wrong based on 17 sessions
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CHARITABLE ANNUAL DONATIONS TO CHARITY GROUP X
For any Company X listed in the chart above, let ΔX be defined as the difference between the mean annual donation of employees of Company X in the period 1980–1990 and that for the same company in the period 1980–2000. Which of the following is closest to the ratio of ΔM to ΔB?
A. 2 to 1
B. 3 to 2
C. 1 to 1
D. 2 to 3
E. 1 to 2
DI Upload.jpg [ 81.35 KiB | Viewed 5031 times ]
For any Company X listed in the chart above, let ΔX be defined as the difference between the mean annual donation of employees of Company X in the period 1980–1990 and that for the same company in the period 1980–2000. Which of the following is closest to the ratio of ΔM to ΔB?
A. 2 to 1
B. 3 to 2
C. 1 to 1
D. 2 to 3
E. 1 to 2
Drill 2
Question: 3
Page: 341
Question: 3
Page: 341
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Re: CHARITABLE ANNUAL DONATIONS TO CHARITY GROUP X
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04 Jun 2017, 15:19
04 Jun 2017, 15:19
Expert Reply
Explanation
According to the given definition, ΔM is 455.2 – 422.4 = 32.8, and ΔB is 40.2 – 18.2 = 22.
Round ΔM to 33, and the ratio of ΔM to ΔB is 33 to 22, which reduces to 3 to 2. Choice B is correct.
According to the given definition, ΔM is 455.2 – 422.4 = 32.8, and ΔB is 40.2 – 18.2 = 22.
Round ΔM to 33, and the ratio of ΔM to ΔB is 33 to 22, which reduces to 3 to 2. Choice B is correct.
gmatclubot
Re: CHARITABLE ANNUAL DONATIONS TO CHARITY GROUP X [#permalink]
04 Jun 2017, 15:19
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