Answer:
The answer would be the 6 books
Explanation:
If you do 21.80 divied by 4 you get 5.45.If you go the same with the 6 books and the number of money you get 5.36.
6 book for $32.16
Divide 21.80 by 4 and you will get 5.45
5.45 is the price for each book
Divide 32.16 by 6 and you will get 5.36
5.36 is the price for each book
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