Answer:
2.4
Step-by-step explanation:
also known as 12/5
the ratio of new books to be use is 12/5
5:7
Basically you first find the amount of the books are the shelf knowing that you have 5 new books, you subtract the amount of new books from total books. And 5:7 can't be simplified any further making 5:7 the answer.
-2, -1 , 0 , and 1
Well, you have to find all numbers that go into 24. 2, 3, 4, 6, 8, and 12. So, if I didn't miss any it should be 6 ways to divide.
