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
OA D
Source: Veritas Prep
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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
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\(\dfrac{x}{5} - \dfrac{x}{10} = \dfrac{x}{2} - 80\)BTGmoderatorDC wrote: ↑Tue Aug 02, 2022 5:19 amIn 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
OA D
Source: Veritas Prep
\(x = 200\)
Therefore, D
