Question
Asked Oct 23, 2019

The cost C in dollars of removing p% of the air pollutants in the stack emissions of a utility company is modeled by the equation below. Determine the percent of air pollutants  in the stack emissions that can be removed for $680,000.

C= 120,000p / 100-p

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Expert Answer

Step 1

The given equation of the cost C (in dollars) in removing p percent of the air pollutants in the stack emissions is,

120,000p
C =
100 p
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120,000p C = 100 p

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Step 2

When the cost is 680,000 dollars, then the percentage of the ...

120,000p
680,000=
100 p
(100 p)680,000 = 120,000p
68,000,000 = 8,00,00 0p
680=8p
p 85
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120,000p 680,000= 100 p (100 p)680,000 = 120,000p 68,000,000 = 8,00,00 0p 680=8p p 85

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Math

Algebra

Equations and In-equations

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