SOLUTION: Mr.Cruz bought 40 copies of books that was billed 15,000 and she plans to buy six additional copies. How much the cost of each additional copy of the books that she paid?

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: Mr.Cruz bought 40 copies of books that was billed 15,000 and she plans to buy six additional copies. How much the cost of each additional copy of the books that she paid?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 926253: Mr.Cruz bought 40 copies of books that was billed 15,000 and she plans to buy six additional copies. How much the cost of each additional copy of the books that she paid?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Mr.Cruz bought 40 copies of books that was billed 15,000 and she plans to buy six additional copies. How much the cost of each additional copy of the books that she paid?
------
Use a proportion::
x/6 = 15000/40
-----
x = 6*1500/4
---
x = (3/2)1500
----
x = 2250
-------------
Cheers,
Stan H.
--------------