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In a group of 20 tourists, 12 brought cameras. If one half of the tour

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Math Expert
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Joined: 02 Sep 2009
Posts: 59075
In a group of 20 tourists, 12 brought cameras. If one half of the tour  [#permalink]

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New post 18 Oct 2019, 00:18
1
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

95% (00:41) correct 5% (00:32) wrong based on 22 sessions

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Joined: 20 Jul 2017
Posts: 1069
Location: India
Concentration: Entrepreneurship, Marketing
WE: Education (Education)
Re: In a group of 20 tourists, 12 brought cameras. If one half of the tour  [#permalink]

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New post 18 Oct 2019, 04:14
Bunuel wrote:
In a group of 20 tourists, 12 brought cameras. If one half of the tourists with cameras brought disposable cameras, what percent of all the tourists brought disposable cameras?

A. 12%
B. 20%
C. 30%
D. 40%
E. 60%


Number or cameras = 12

If one half of the tourists with cameras brought disposable cameras
—> Number of disposable cameras = 1/2*12 = 6

what percent of all the tourists brought disposable cameras?
—> x% of 20 = 6
—> x/100*20 = 6
—> x = 6*100/20 = 6*5 = 30%

IMO Option C

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Re: In a group of 20 tourists, 12 brought cameras. If one half of the tour   [#permalink] 18 Oct 2019, 04:14
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In a group of 20 tourists, 12 brought cameras. If one half of the tour

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