a) Cost a book: $3.95
Cost of shipping: $6.95
Then, first we subtract the shipping cost
This is $93.05 and we divide by the cost of each book
This is 23 books
Answer: 23
b) Answer: First you will subtract $6.95 and you will get 93.05
Then you will divide 93.05 by 3.95 and get 23.