The total amount paid by the individuals is equal to the sum of final total sum and tax on the food.
Determine the amount pay for the dinner.
[tex]\begin{gathered} A=62.70+\frac{2}{100}\times62.70 \\ =62.70+1.254 \\ =63.954 \end{gathered}[/tex]So, the total amount paid by the Susan and Amy is $63.954.