There are five new books and nine used books on the shelf. What is the ratio of all books on the shift to new books? What is the ratio of the used books to all books on the shelf?

all books:new books=14:5,used books:all books=9:14

Step-by-step explanation:

if you add the five and nine you will get 14 and then the rest is simply doing the fourteen to the numbers of used books and new books

answer: ur mum is gay

my answer is$ 12

step-by-step explanation:

because 15 -2=12