SOLUTION: A puzzle expert wrote a new sudoko puzzzle book. his initial costs are $864. Bindind and packaging each book costs $.80. The price of the book is $2. How many copies must be sold t

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A puzzle expert wrote a new sudoko puzzzle book. his initial costs are $864. Bindind and packaging each book costs $.80. The price of the book is $2. How many copies must be sold t      Log On


   

Question 1108066: A puzzle expert wrote a new sudoko puzzzle book. his initial costs are $864. Bindind and packaging each book costs $.80. The price of the book is $2. How many copies must be sold to break even?
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
864 + .8x = 2x
864 = 1.2x
1.2x = 864
x = 864/1.2 use your calculator to get the break even number of books