Mathematics, 25.10.2021 09:20, michaelgold1

15. I ordered some books online for myself and my friends. each book cost $11 the store charges a flat rate for shipping of $20. write an expression for the cost of buying n books. 16. How much would I be charged if I purchased 8 books? Explain how you would solve the problem.

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15. I ordered some books online for myself and my friends. each book cost $11 the store charges a fl...