Answer:
2.375 or 2 3/8
Step-by-step explanation:
You want to do total weight over total number of items.
14 1/4 / 6 books = 2.375
D is the answer of your question
A recursive definition for the sequence shown above can be x = n-5.
21 - 5 = 16
16 - 5 = 11
11 - 5 = 6
and so on...
The number sequence has a difference of 5 in each of the values before and after them.