Q:

a puzzle expert wrote a new sudoku puzzle book. his initial costs are $864. Binding and packaging each book costs $.80. The price of the book is $2. How many copies must be sold to break even.

Accepted Solution

A:
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