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The employees at a company meeting are residents of the countries Engl

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The employees at a company meeting are residents of the countries Engl  [#permalink]

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New post 21 Aug 2019, 02:02
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A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

97% (01:09) correct 3% (02:26) wrong based on 29 sessions

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Re: The employees at a company meeting are residents of the countries Engl  [#permalink]

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New post 21 Aug 2019, 02:10
Let x be English employees and y be Japanese employees.
x=7/13 * 520 and y= 4/13 * 520
So x-y = (7-4)/13 * 520 =(3*520)/13 = 3*40 = 120.
Hence A.

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Re: The employees at a company meeting are residents of the countries Engl  [#permalink]

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New post 21 Aug 2019, 03:00
Bunuel wrote:
The employees at a company meeting are residents of the countries England, France, and Japan in the ratio 7:2:4, respectively. If 520 total employees are at the meeting, the meeting includes how many more residents of England than of Japan?

A. 120
B. 110
C. 100
D. 90
E. 80


7x + 2x + 4x = 520
=> x = 40.
Difference b/w Eng and Japan = 3x = 3*40 = 120
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Re: The employees at a company meeting are residents of the countries Engl  [#permalink]

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New post 21 Aug 2019, 05:29
Bunuel wrote:
The employees at a company meeting are residents of the countries England, France, and Japan in the ratio 7:2:4, respectively. If 520 total employees are at the meeting, the meeting includes how many more residents of England than of Japan?

A. 120
B. 110
C. 100
D. 90
E. 80


total ratio ; 13 x ;
England ; 7/13*520 ; 280
and Japan ; 4/13* 520 ; 160
∆ ; 120
IMO A
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Re: The employees at a company meeting are residents of the countries Engl  [#permalink]

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New post 21 Aug 2019, 07:40
Bunuel wrote:
The employees at a company meeting are residents of the countries England, France, and Japan in the ratio 7:2:4, respectively. If 520 total employees are at the meeting, the meeting includes how many more residents of England than of Japan?

A. 120
B. 110
C. 100
D. 90
E. 80


\(\frac{( 7 - 4)}{( 7 + 2 + 4)}*520\)

= 120, Answer must be (A)
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Re: The employees at a company meeting are residents of the countries Engl  [#permalink]

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New post 23 Aug 2019, 11:34
Bunuel wrote:
The employees at a company meeting are residents of the countries England, France, and Japan in the ratio 7:2:4, respectively. If 520 total employees are at the meeting, the meeting includes how many more residents of England than of Japan?

A. 120
B. 110
C. 100
D. 90
E. 80



We can create the equation:

7x + 2x + 4x = 520

13x = 520

x = 40

So there are 7 * 40 - 4 * 40 = 280 - 160 = 120 more residents of England than of Japan at the meeting.

Answer: A
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Re: The employees at a company meeting are residents of the countries Engl   [#permalink] 23 Aug 2019, 11:34
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