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In a production lot, \(20\%\) of widgets are blue and the rest are black. One-half of widgets are made of silver and the rest are made of gold. If \(10\%\) of the widgets are silver and blue, and \(80\) are black and gold, how many total widgets are there?
A. 140
B. 160
C. 180
D. 200
E. 250
Answer: D
Source: Veritas Prep
A. 140
B. 160
C. 180
D. 200
E. 250
Answer: D
Source: Veritas Prep
