At Joel’s bookstore, the current inventory is 30% historical fiction. Of the historical fiction books, 30% are new releases, while 40% of the other books are new releases. What fraction of all new releases are the historical fiction new releases?	Choices:
A) 4/25
B) 9/37
C) 2/5
D) 8/15
E) 2/3
let there be 100 books in all   Historic fiction books = 30% of total = 30   Other books = 70   New historic fiction = 30% of 30 = 9   Other new books = 40% of 70 = 28   total new books = 37   fraction = 9/37   Ans: 9/37
<result>B</result>
At Joel’s bookstore, the current inventory is 30% historical fiction. Of the historical fiction books, 30% are new releases, while 40% of the other books are new releases. What fraction of all new releases are the historical fiction new releases?