Respuesta :
take 3.99 x 45/100 and then add that to the original 3.99
3.99 x 45/100 = 1.80
1.80 + 3.99 = 5.79
$5.79
3.99 x 45/100 = 1.80
1.80 + 3.99 = 5.79
$5.79
Answer: Final price of the comic book after it is marked up is $5.79.
Step-by-step explanation:
Since we have given that
Cost of a comic book including tax = $3.99
According to question, it is given that it is marked up 45%,
[tex]3.99\times \frac{100+45}{100}\\\\=3.99\times \frac{145}{100}\\\\=\frac{578.55}{100}\\\\=\$5.785\\\\=\$5.79[/tex]
Hence, final price of the comic book after it is marked up is $5.79.