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.
10 - 2x = -30
-2x = -40
2x = 40
x = 20
Answer:
X=0
(8,7)
Step-by-step explanation:
It would be 2020-1836 = 184 years ago
B. 40 fluid ounces of lemonade