> There are 14 books on a shelf. 6 of these books are new. The rest of them are used (a) What is the ratio of new books to used books? (b) What is the ratio of used books to all books on the shelf ​

gt There are 14 books on a shelf 6 of these books are new The rest of them are used a What is the ratio of new books to used books b What is the ratio of used b class=