Answer:
This week are due 1,260 books
Explanation:
step 1
Find the total books
Adds the fiction books and the nonfiction books
12,500+19,000=31,500 books
step 2
Find the total books checked out
Multiply by 2/5 the total books
(2/5)31,500=12,600 books
step 3
Multiply by 1/10 the total books checked out
(1/10)(12,600)=1,260 books
therefore
This week are due 1,260 books