Step 1: Calculate the sales tax
[tex]\text{sales tax = 8\% of \$45 = }\frac{8}{100}\times\frac{45}{1}=\frac{360}{100}=\text{ \$3.60}[/tex]Step 2: Calculate the amount Juan paid including tax.
[tex]\begin{gathered} \text{ Juan paid \$45 plus sales tax} \\ \text{From step 1, sales tax = \$3.60} \end{gathered}[/tex][tex]\begin{gathered} \text{ Therefore,} \\ \text{ Juan paid an amount = \$45.00 + \$3.60 = \$4}8.60 \end{gathered}[/tex]Hence, the answer is $48,60
