A comic book costs $3.99, including tax. It is marked up 45%. What is the final price of the comic book after it is marked up?

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

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.