Posted by **Help!** on Monday, February 20, 2012 at 11:00am.

The price, $C, of printing n copies of a book is partly constant and varies partly as n. The selling price of each copy of the book is fixed as $b. If 630 copies were printed and sold, there would be a loss of 10%. If 980 copies were printed and sold, there would be a profit of 12%. How many copies would have to be printed and sold in order to break even (i.e. neither gain nor lower)

## Answer This Question

## Related Questions

- math - The cost of printing the first fifteen hundred copies of a book is $1500...
- maths - if the price of 3 books,2 copies, 1 pen is 320, and the price of 2 books...
- math - A high school has designed he yearbook. A company charges $900 to ...
- Microeconomics - determining how many to sel - Hi, I would really appreciate it ...
- math - A high school has designed the yearbook. A company charges $900 to ...
- variation - x is partly constant and partly varies as y when y=5, x=7,and y=7,x=...
- Economics - Hi there, I am having trouble with this problem.Can you give me some...
- math - The president of the country PTA organization makes copies of membership ...
- math - The president of the country PTA organization makes copies of membership ...
- math - X is partly constant and partly varies as y. When y is 5,x is 7 and when ...

More Related Questions