## Prealgebra (7th Edition)

$\frac{n}{4}=\frac{12}{16}$ $\longrightarrow$ cross multiply to solve for n $16n=4\times12$ $\longrightarrow$ simplify $16n=48$ $\longrightarrow$ divide both sides by 16 $16n\div16=48\div16$ simplify $n=3$