Step-by-step explanation:
I am giving you to solve the new price of Book.
[tex]new \: price \: = 13 - 29\% \: of \: 13 \\ = 13 - 0.29 \times 13 \\ = 13 - 3.77 \\ = \pounds 9.23[/tex]
Follow the same suite to find the new costs of remaining items.
