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Answer:
I believe it would be - (n+4) x 2
Step-by-step explanation:
What is the situation from the problem
Answer: C
Triangle=36+42+102=180
She will get 23 books.
So, first, you take the shipping away to get $93.05,
then you divide $93.05 by $3.95 which equals 23.55
and you can't have half a book; so it's 23!