Solve the Problem $y = \frac { 2974 x } { 100 - x }$

question 390

Multiple Choice

Solve the problem.
-Suppose a cost-benefit model is given by $y = \frac { 2974 x } { 100 - x }$ , where $y$ is the cost for removing $x$ percent of a given pollutant. What percent of pollutant can be removed for $\$ 30,000$ ? Round your answer to the nearest tenth of a percent.

• A) \(91.0 \%\)
• B) \(111.0 \%\)
• C) \(9.1 \%\)
• D) \(502.2 \%\)

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