Question

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

Answer 1

Answer:

13n+20

Step-by-step explanation:

If 20 is the flat rate, then you dont put x to it. X is how many books you are going to get and 13 is how much you have to pay for each book. If that makes sense.

Brainliest?

Answer 2

The required expression for the cost of buying n books is $ ( 13n + 20)

What is a algebraic expression?

An expression obtained by a finite number of the fundamental operations of algebra upon symbols representing numbers.

How to find what is the expression for the cost of buying n books ?

According to the problem,

• Cost of 1 book is $ 13.
• The store charges a flat rate for shipping of $20.

• The number of books bought is n

∴ Cost of x books will be $ 13n

Now , the flat rate will be added from the store.

∴ The expression will be $ ( 13n + 20)

Find more about "Algebraic Expressions" here : https://brainly.com/question/2164351

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