## Prealgebra (7th Edition)

$\frac{1}{1.5}=\frac{1.5}{2.25}$
x is to y is the same as $\frac{x}{y}$ So 1 cup of instant rice is to 1.5 cups cooked rice as 1.5 cups of instant rice is to 2.25 cups of cooked rice is the same as $\frac{1}{1.5}=\frac{1.5}{2.25}$