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A company sells photo books, and they charge $20 for the book which includes the first ten pages. Each additional page costs $2. Write a function that models the cost of a book.

User Gehsekky
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1 Answer

5 votes

Answer:

Cost = 2x + 180

Explanation:

Let the number of pages of a book be x

Cost of the first ten pages = $20 × 10

= $200

The number of remaining pages is; x - 10

Cost of the remaining pages = $2 × (x-10)

= $(2x-20)

Total cost of the book= 200 + 2x - 20

= 2x + 180

User Eddie
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