## 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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### 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

by BTGmoderatorDC » Tue Aug 02, 2022 5:19 am

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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

OA D

Source: Veritas Prep

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### Re: In a production lot, 20% of widgets are blue and the rest are black. One-half of widgets are made of silver and the

by swerve » Sun Aug 07, 2022 11:26 am
BTGmoderatorDC wrote:
Tue Aug 02, 2022 5:19 am
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
$$\dfrac{x}{5} - \dfrac{x}{10} = \dfrac{x}{2} - 80$$
$$x = 200$$

Therefore, D

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