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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.

D is the answer.
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Bunuel
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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