## Prealgebra (7th Edition)

$\frac{2052}{4085y}$
$\frac{108}{215y}=\frac{x}{4085y}$ Cross mulltiply to solve for x. $108\times4085y=215y\times x$ $441180y=215xy$ $441180y\div215y=215xy\div215y$ $2052=x$