Solve the problem.
-Suppose a cost-benefit model is given by $y = \frac { 3.6 x } { 100 - x }$, where $y$ is the cost in thousands of dollars for removing $x$ percent of a given pollutant. Find the cost of removing $90 \%$ to the nearest dollar.
A) $\$ 3600$
B) $\$ 32,400$
C) $\$ 3240$
D) $\$ 9000$

Question

Quizplus · Accepted Answer

To find the cost of removing 90% of the pollutant, substitute $x = 90$ into the given model: $y = \frac{3.6 \times 90}{100 - 90} = \frac{324}{10} = 32.4$ thousand dollars. Converting to dollars, $32.4 \times 1000 = \$32,400$.

Solve the Problem y=3.6x100−xy = \frac { 3.6 x } { 100 - x }y=100−x3.6x​

Solve the Problem $y = \frac { 3.6 x } { 100 - x }$