The total bill is the sum of all the items purchased.
The items purchased includes;
A shirt for $29.85
Pants for $32.15
Jewelry for $15.45
The sum of this items is;
[tex]\begin{gathered} T=29.85+32.15+15.45 \\ T=\text{ \$}77.45 \end{gathered}[/tex]Therefore, the total bill comes to $77.45 before tax.