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Ksju [112]
3 years ago
15

a puzzle expert wrote a new sudoku puzzle book. his initial costs are $864. Binding and packaging each book costs $.80. The pric

e of the book is $2. How many copies must be sold to break even.
Mathematics
2 answers:
masya89 [10]3 years ago
8 0

Answer:

The puzzle expert must sell 720 copies to break even.

Step-by-step explanation:

Hi, to solve this problem you have to write two equations analyzing the information given.

initial cost = $864

cost per book = $0.80

price of each book = $2

So, mathematically speaking:

864 + x 0.80 = y

2x = y

Substituting the 2nd equation into the first:

864 + x0.80 = 2x

864= 2x- 0.80x

864 = 1.2x

864/1.2=x

x= 720

In conclusion, the puzzle expert must sell 720 copies to break even.

Feel free to ask for more if it´s necessary or if you did not understand something.

Nonamiya [84]3 years ago
4 0
Book. His initial costs are $864. Binding and packing each book cost $.80 The price of the book is $2.How many copies must be sold to break-even

y=0.8x+864
y=2x
Answer: 720 books
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