There are 7 fantasy books, 3 mystery books, and 9 informational books. What fractional part of the books nonfiction?
9/19
To find the fractional part of the books that are nonfiction, we need to determine the number of nonfiction books and divide it by the total number of books.
In this case, we know that there are 7 fantasy books, 3 mystery books, and 9 informational books. Since nonfiction refers to informational books, we can assume that all 9 informational books are nonfiction.
The total number of books is the sum of the three types: 7 (fantasy) + 3 (mystery) + 9 (informational) = 19.
Therefore, the fractional part of the books that are nonfiction is 9/19.