Question

Joan went to the bookstore. At

Answer 1

Answer:

$\frac{1}{4}$ of the books in the book store are mystery fiction books.

Step-by-step explanation:

Let x represent all the books in the books store.

Then, the fraction of books that are fiction books is $\frac{3}{4}x$

We have that; $\frac{1}{3}$ of the fiction books are mystery books.

The fraction of the books at the  bookstore that are mystery fiction  books is $\frac{1}{3}\times \frac{3}{4}x=\frac{1}{4}x$.

Therefore $\frac{1}{4}$ of the books in the bookstore are mystery fiction books.