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28-10-2022
Mathematics

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. An online book company charges a shipping fee of $12. Books cost $4.50 each. Write an expression for the cost of ordering any number of books from this company.

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SanyaZ237027 SanyaZ237027

28-10-2022

Shipping fee: $12

Cost of each book: $4.50

Number of books: x

The cost of ordering any number of books must be equal to the product of the cost of each book (4.50) and the number of books (x), plus the shipping fee (12):

4.50x+12

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