Answer :
Let's begin by identifying key information given to us:
2 gallons = $48
17 gallons = x
We will calculate for x using simple proportion
[tex]\begin{gathered} 2=48 \\ 17=x \\ We\text{ cross multiply, we have:} \\ 2x=17\cdot48 \\ x=\frac{17\cdot48}{2} \\ x=408 \end{gathered}[/tex]