​If 3 Books Cost $ 30 , a Book, Three

Multiple Choice

​If 3 books cost $ 30 , a book, three pens, and a notebook cost $ 16 , and a book and pen cost $ 11 . Find the cost of a notebook.

A) ​$ 10
B) ​$ 3
C) ​$ 1
D) ​$ 2
E) ​$ 6