To compute the sales tax, we need to calculate the 5.9% of $190. We can do this with a proportion, where $190 represents 100%, and x represents 5.9%, that is:
[tex]\frac{190\text{ \$}}{x\text{ \$}}=\frac{100\text{ \%}}{5.9\text{ \%}}[/tex]Solving for x:
[tex]\begin{gathered} 190\cdot5.9=100\cdot x \\ \frac{1121}{100}=x \\ 11.21=x \end{gathered}[/tex]The sales tax is $11.21
