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In a certain city, 15 percent of the total population is more than 60

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In a certain city, 15 percent of the total population is more than 60  [#permalink]

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New post 26 Nov 2018, 22:33
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A
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C
D
E

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94% (00:50) correct 6% (03:18) wrong based on 16 sessions

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In a certain city, 15 percent of the total population is more than 60 years old. If 60 percent of the people older than 60 voted in a recent election, then these voters comprised what percent of the total population?

A. 6%
B. 8%
C. 9%
D. 15%
E. 60%

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Re: In a certain city, 15 percent of the total population is more than 60  [#permalink]

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New post 27 Nov 2018, 07:27
Bunuel wrote:
In a certain city, 15 percent of the total population is more than 60 years old. If 60 percent of the people older than 60 voted in a recent election, then these voters comprised what percent of the total population?

A. 6%
B. 8%
C. 9%
D. 15%
E. 60%



solve using 2x2 matrix, attached file..
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File comment: 2x2 matrix
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Re: In a certain city, 15 percent of the total population is more than 60 &nbs [#permalink] 27 Nov 2018, 07:27
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In a certain city, 15 percent of the total population is more than 60

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