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A think tank projects that people over the age of 65 will comprise 25%

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Math Expert
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Joined: 02 Sep 2009
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A think tank projects that people over the age of 65 will comprise 25%  [#permalink]

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New post 08 Feb 2019, 05:01
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A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

89% (01:36) correct 11% (02:50) wrong based on 19 sessions

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Veritas Prep GMAT Instructor
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Re: A think tank projects that people over the age of 65 will comprise 25%  [#permalink]

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New post 08 Feb 2019, 05:20
Bunuel wrote:
A think tank projects that people over the age of 65 will comprise 25% of the U.S. population by 2010. If the current population of 300 million is expected to grow by 8% by 2010, how many people over age 65, in millions, will there be in 2010 ?

A. 75
B. 77
C. 80
D. 81
E. 85


Current Population = 300 million
Population in 2010 = 300*(1 + 8/100) = 324 million

People over 65 yrs = 25% of 324 million = 81 million

Answer (D)
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Re: A think tank projects that people over the age of 65 will comprise 25%  [#permalink]

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New post 08 Feb 2019, 05:52
Bunuel wrote:
A think tank projects that people over the age of 65 will comprise 25% of the U.S. population by 2010. If the current population of 300 million is expected to grow by 8% by 2010, how many people over age 65, in millions, will there be in 2010 ?

A. 75
B. 77
C. 80
D. 81
E. 85



popn 300
2010 = 1.08 * 300= 324
and 25% = .25* 324 = 324*1/4 = 81
IMO D
GMAT Club Bot
Re: A think tank projects that people over the age of 65 will comprise 25%   [#permalink] 08 Feb 2019, 05:52
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A think tank projects that people over the age of 65 will comprise 25%

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