Answer:
$13.51
Step-by-step explanation:
The amount he had to pay would be 12.99(1.04) because the 1.04 is the 4% tax added to 12.99. Doing the math, we get $13.51.
Hope this helps!
Answer:
[tex]he \: paid \: a \: total \: of : \\ 12.99 + \frac{4}{100}(12.99) = 13.5096 = 13.51[/tex]