Solve the Problem $y=\frac{7.6 x}{100-x}$ , Where $y$ Is the Cost in Thousands of Dollars for Removing

Multiple Choice

Solve the problem.
-Suppose a cost-benefit model is given by $y=\frac{7.6 x}{100-x}$ , where $y$ is the cost in thousands of dollars for removing $x$ percent of a given pollutant. Find the cost of removing $30 \%$ , to the nearest dollar.

A) $\$ 428$
B) $\$ 2280$
C) $\$ 7600$
D) $\$ 3257$