Question

a library has 3,489 non - fiction books, 8,617 fiction books and 1,240 reference books.

1. all books, except the reference books, are available for loan. how many books are available for loan?

Explanation:

Step1: Identify books for loan

Non - fiction and fiction books are for loan. So we need to add the number of non - fiction and fiction books.
Number of non - fiction books = 3489, number of fiction books = 8617.

Step2: Calculate total loan - available books

To find the total number of books available for loan, we add the number of non - fiction and fiction books. So the formula is $3489 + 8617$.
$3489+8617 = 12106$

Answer:

12106