I ordered some books online for myself and friends. Each book costs \$ 13$13 and the store charges a flat rate for shipping of
\$ 20$20. Write an expression for the cost of buying nn books.
1 answer:
Answer: 13n + 20
Step-by-step explanation:
The cost of each book is $13. That means that if you end up buying "n" books, cost would be:
= Cost of each book * number of books
= 13 * n
= 13n
You would also get charged a flat rate for shipping of $20 which would be added to the above cost to bring a total of:
= 13n + 20
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