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In a certain factory with 2,700 workers, one—third of the workers are

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Math Expert
Joined: 02 Sep 2009
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In a certain factory with 2,700 workers, one—third of the workers are  [#permalink]

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24 Dec 2018, 22:30
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Difficulty:

5% (low)

Question Stats:

87% (00:59) correct 13% (00:47) wrong based on 37 sessions

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In a certain factory with 2,700 workers, one—third of the workers are unskilled. If 600 of the unskilled workers are apprentices, what fraction of the unskilled workers are not apprentices?

A. 1/9
B. 1/7
C. 1/5
D. 1/3
E. 1/2

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Re: In a certain factory with 2,700 workers, one—third of the workers are  [#permalink]

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24 Dec 2018, 22:35
1
The question is incomplete. Please have a look

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Math Expert
Joined: 02 Sep 2009
Posts: 55801
Re: In a certain factory with 2,700 workers, one—third of the workers are  [#permalink]

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24 Dec 2018, 22:39
ShankSouljaBoi wrote:
The question is incomplete. Please have a look

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Thank you for noticing. Edited.
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Re: In a certain factory with 2,700 workers, one—third of the workers are  [#permalink]

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24 Dec 2018, 22:43
Total workers = 2700
Unskilled workers = 2700/3 = 900
out of 900, 600 are apprentices.
300 are not apprentices.
1/3 of the unskilled workers are not apprentices.

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Re: In a certain factory with 2,700 workers, one—third of the workers are  [#permalink]

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25 Dec 2018, 03:25
Bunuel wrote:
In a certain factory with 2,700 workers, one—third of the workers are unskilled. If 600 of the unskilled workers are apprentices, what fraction of the unskilled workers are not apprentices?

A. 1/9
B. 1/7
C. 1/5
D. 1/3
E. 1/2

2700/3 = 900 ; 900-600 = 300

300/900 = 1/3 IMO D
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Re: In a certain factory with 2,700 workers, one—third of the workers are   [#permalink] 25 Dec 2018, 03:25
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