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Anestetic [448]
3 years ago
12

PLEASE ANSWER THIS QUESTION FOR BRAINLIEST AND 30 POINTS!!

Mathematics
2 answers:
Kobotan [32]3 years ago
7 0

Answer:

The author will need to sell 3000 books in order to earn $7000.

Step-by-step explanation:

OK. So I will start by writing the basic equation for the problem.

x is the number of books sold.

y is the $

She earns 2500 at the beginning, plus 1.50 for every book, or x.

y = 2500 + 1.50x

Now, since we want to find the number of books (x) she needs to sell to get $7000, we can set the equation equal to 7000.

7000 = 2500 + 1.50x

Subtract 2500 from each side

4500 = 1.50x

Divide both sides by 1.50

3000 = x

The author will need to sell 3000 books in order to earn $7000.

pav-90 [236]3 years ago
6 0

Answer:

The author must sell 3000 books.

Step-by-step explanation:

The total amount earned  = advance + books sold * money per book

We know they want to make 7000

The advance is 2500

They earn 1.50 for each book sold

b= number of books sold

Substituting in

7000= 2500 + 1.5b

Subtract 2500 from each side

7000-2500 = 2500-2500 + 1.5 b

4500 = 1.5 b

Divide each side by 1.5

4500/1.5 = 1.5b/1.5

3000 = b

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