Given:
Cost of book = $24
Total cost of book (shipping charge inclusive) = $27
The shipping charge is:
Total cost - cost of book = $27 - $24 = $3
The shipping charge is $3
To find the percentage markup charged for shipping, use the formula:
![\frac{ship\text{ charge}}{Total\text{ cost}}\ast100](https://img.qammunity.org/2023/formulas/mathematics/college/e5hd8buzwtwj03e2erbhdzn2balu97j7y4.png)
![(3)/(27)\ast100\text{ = }0.111\text{ }\ast\text{ 100 = }11.1percent^{}](https://img.qammunity.org/2023/formulas/mathematics/college/fr8znaq2invllcvavz8ce3d6p6znjhaf8e.png)
Therefore, the percent of markup charged for shipping is 11.1%
ANSWER:
11.1%