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Approximately what percent of the African countries in the c

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sandy
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Approximately what percent of the African countries in the c [#permalink] New post   11 Oct 2018, 04:44
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Approximately what percent of the African countries in the chart above that have a GDP between $10 billion and $20 billion also have a population between 10 million and 20 million?
(A) 6%
(B) 23%
(C) 26%
(D) 30%
(E) 51%
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B
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AlaminMolla
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Re: Approximately what percent of the African countries in the c [#permalink] New post   13 Jun 2019, 06:21
How it is B? (3/50*100= 6 % I guess. Am I wrong anyway?
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Re: Approximately what percent of the African countries in the c [#permalink] New post   13 Jun 2019, 08:51
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sandy wrote:
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Approximately what percent of the African countries in the chart above that have a GDP between $10 billion and $20 billion also have a population between 10 million and 20 million?
(A) 6%
(B) 23%
(C) 26%
(D) 30%
(E) 51%


From the chart, we can see ...
Attachment:
Approximately what percent of the African countries in the chart1.png
Approximately what percent of the African countries in the chart1.png [ 59.4 KiB | Viewed 5741 times ]

...that there are 13 African countries that have a GDP between $10 billion and $20 billion

Among those 13 countries ...
Attachment:
Approximately what percent of the African countries in the chart2.png
Approximately what percent of the African countries in the chart2.png [ 59.82 KiB | Viewed 5731 times ]

...3 of them have a population between 10 million and 20 million

Percent of countries = (100)(3)/13
= 300/13
≈ 23%

Answer: B

Cheers,
Brent
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jelal123
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Re: Approximately what percent of the African countries in the c [#permalink] New post   26 Jun 2019, 07:37
the word 'also' in the last part of the question is quite confusing.
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Re: Approximately what percent of the African countries in the c [#permalink] New post   26 Jun 2019, 13:00
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That word also means, actually, an overlapping situation.

Se the explanation above provided by our expert.

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koala
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Re: Approximately what percent of the African countries in the c [#permalink] New post   03 Sep 2021, 06:47
GreenlightTestPrep wrote:
sandy wrote:
Image

Approximately what percent of the African countries in the chart above that have a GDP between $10 billion and $20 billion also have a population between 10 million and 20 million?
(A) 6%
(B) 23%
(C) 26%
(D) 30%
(E) 51%


From the chart, we can see ...
Attachment:
Approximately what percent of the African countries in the chart1.png

...that there are 13 African countries that have a GDP between $10 billion and $20 billion

Among those 13 countries ...
Attachment:
Approximately what percent of the African countries in the chart2.png

...3 of them have a population between 10 million and 20 million

Percent of countries = (100)(3)/13
= 300/13
≈ 23%

Answer: B

Cheers,
Brent


But the question says approximately what percent of the African countries shouldn't we consider 50 instead of 13?
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Approximately what percent of the African countries in the c [#permalink] New post   03 Sep 2021, 07:38
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The stem is: Approx what percent of the African countries in the chart above that have a GDP between $10 billion and $20 billion also have a population between 10 million and 20 million

So among the countries that have a GDP between $10 billion and $20 billion, how many have a population between 10 million and 20 million as well?

So we have 13 countries with GDP between $10-20 bn & among those 3 also have a population between 10-20 mn.

%age = \(\frac{3}{13} * 100\)% \(≈ 23\)%


koala wrote:
But the question says approximately what percent of the African countries shouldn't we consider 50 instead of 13?
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