We can use a rule of three to get how many miles the car can go with 1 gallon:
[tex]\begin{gathered} 16\text{gal}\rightarrow330mi \\ 1\text{gal}\rightarrow x \\ \Rightarrow x=\frac{1\cdot330}{16}=20.63 \\ x=20.63 \end{gathered}[/tex]therefore, George's car can get 20.63 miles per gallon
