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=(3.23)/(128) \\ a=0.03 \end{gathered}`