## Prealgebra (7th Edition)

$\frac{4}{1}$ =$\frac{20}{5}$ and $\frac{4}{20}$ =$\frac{1}{5}$
$\frac{1}{4}$ =$\frac{5}{20}$ Other true proportions are $\frac{4}{1}$ =$\frac{20}{5}$ and $\frac{4}{20}$ =$\frac{1}{5}$