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You ordered some books online for you and your friends. Each book costs $13 and the store charges a flat rate for shipping of $20. Write an expression of buying n books.
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You ordered some books online for you and your friends. Each book costs $13 and the store charges a flat rate for shipping of $20. Write an expression of buying n books.

User Malte Clasen
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2 Answers

4 votes
13x+20=

X stands for the amount of books you buy
User Next
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5 votes
13x + 20. 13 is the total amount of money spent on each book, x is the amount of books you’re buying (amount is unspecified in your problem), and 20 is the shipping.
User Brance
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