Question

If 1 gallon of milk is 128 fluid ounces and it’s $3.23 at Walmart how much is it per cent per oz Rounded to the nearest hundredth

Answer 1

Let:

$a=_{\text{ }}unit_{\text{ }}price$

We can find a as follows:

$\begin{gathered} 128\cdot a=3.23 \\ so\colon \\ a=\frac{3.23}{128} \\ a=0.03 \end{gathered}$