Answer:
7 he gets 7 becuse he only did 7#43/6/h
Step-by-step explanation:
17 books in total, and 8 new. To find the number of used books, we subtract 8 from 17.
17-8= 9 used books
Now we have 8 new books and 9 used books.
All books: 17
Used books: 9
New books: 8
(a) all books: used books
17: 9
(b) new books: used books
8: 9
Answer:

Step-by-step explanation:



Answer: a = 23, b = 21, c = 136
Step-by-step explanation:
I’m pretty sure the answer is 16, I’m very sorry if this is incorrect.