Answer:
110.5 i think D
Step-by-step explanation:
just me doing work vvvvv
65 + 45.5 = 110.5
---
7 x 6.5
45.5
110.5
I'm not 100% sure, but I think it's $13.90?
brainly.com/question/23375096?referrer=searchResults
5040 ways
That is 7 books.
So the number of ways is factorial 7 , written 7!.
= 7*6*5*4*3*2*1
= 5040 ways
