If the price of the package of 20 ounces is 99 cents, we can apply the rule of three to calculate the price per ounce:
[tex]\begin{gathered} 20oz\longrightarrow99c \\ 1oz\longrightarrow1\cdot\frac{99}{20}=4.95c \end{gathered}[/tex]Answer: the unit price is 4.95 per ounce.
