A bookstore stocks 15 of its books as fiction works, and 13 less than the fiction books as self-help books. What fraction of the total books are the fiction and self-help books?
A.35
B.1130
C.415
D.215
E.13
我的答案:
A bookstore stocks fff\(\frac{1}{5}\)/fff of its books as fiction works, and fff\(\frac{1}{3}\)/fff less than the fiction books as self-help books. What fraction of the total books are the fiction and self-help books?