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There are two lines at an airline ticket counter. The first line conta

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Math Expert
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There are two lines at an airline ticket counter. The first line conta  [#permalink]

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New post 20 Dec 2018, 00:12
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A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

90% (00:56) correct 10% (00:51) wrong based on 33 sessions

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There are two lines at an airline ticket counter. The first line contains exactly 20 people, two of whom are flying to Taipei. What percent of the people in the second line are flying to
Taipei?


(1) There are twice as many people flying to Taipei in the second line as in the first line.

(2) The total number of people in both lines is 36, and the total number of people in both lines who are flying to Taipei is 6.

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Re: There are two lines at an airline ticket counter. The first line conta  [#permalink]

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New post 20 Dec 2018, 07:29
# 1 not sufficient as we total people in 2nd line not given

#2 , sufficient

total people in line 2 = 36-20= 16 and people flying to Taipei are 6-2 = 4

so % of people: 4/16= 25% IMO B is sufficient


Bunuel wrote:
There are two lines at an airline ticket counter. The first line contains exactly 20 people, two of whom are flying to Taipei. What percent of the people in the second line are flying to
Taipei?


(1) There are twice as many people flying to Taipei in the second line as in the first line.

(2) The total number of people in both lines is 36, and the total number of people in both lines who are flying to Taipei is 6.

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Re: There are two lines at an airline ticket counter. The first line conta   [#permalink] 20 Dec 2018, 07:29
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There are two lines at an airline ticket counter. The first line conta

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