Thursday

September 18, 2014

September 18, 2014

Posted by **Anonymous** on Saturday, March 28, 2009 at 5:30pm.

- math -
**Reiny**, Saturday, March 28, 2009 at 6:05pmlooks like

Cost = 900 + 42n , where n is the number of books

for 600 books cost = 900+42(600)

= 26100

cost per book = 26100/600 = 43.50

for 200 books cost = 900 + 200(42)

= 9300

cost per book = 9300/200 = 46.50

so how much do they save per book?

**Answer this Question**

**Related Questions**

math - A high school has designed the yearbook. A company charges $900 to ...

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 variation ques - The price, $C, of printing n copies of a book is partly ...

math - I cant figure this thing out fully, I feel so clueless. Does anyone have ...

Solving a system of linear Equations using Substit - Suppose a school club ...

Math Problem - Company A rents copiers for a monthly charge of $240 plus 8 cents...

economics - A firm that sells e-books – books in digital form downloadable from ...

algebra - Copy Cats charges a $21 surcharge for a batch of colored copies plus $...

math - 20 copies of the school yearbook together weigh 50 lb. What is the weight...