I think 320 is the answer ✋
Answer:
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 
We have that;
of the fiction books are mystery books.
The fraction of the books at the bookstore that are mystery fiction books is
.
Therefore
of the books in the bookstore are mystery fiction books.
Answer:

Step-by-step explanation:
So we have the expression:

To multiply, distribute the left to the terms on the right:

Distribute:

Combine like terms:

Simplify:

Therefore:

Answer:
can you retype the equation
I think it is not correctly typed