Answer:
I'm not for sure about this one but if I did my math right it should be 68 sence it would be 48 if you didnt add 20
Perimeter = 26 Explanation: count the sides of the shape then add them all
<span>books to bookmarks
books : bookmarks
10 : 1
10 * 3 : 1 * 3
30 : 3
3 bookmarks
Since the book store sold 30 books they also sold 3 bookmarks.
Answer: 3 bookmarks</span>
