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-   -   CAN SOMEBODY HELP SOLVE THIS PROBLEMS PLEASE (http://mymathforum.com/algebra/5673-can-somebody-help-solve-problems-please.html)

vloraboy February 21st, 2009 10:49 AM

CAN SOMEBODY HELP SOLVE THIS PROBLEMS PLEASE
 
A radio manufacturing firm has fixed cost of $25.000 cost and variable cost of $75.80 per radio. The radio sells for $119.95
Write an expression for the profit funciton and find the number of radios that must be sold to break even.


If money is invested at 9%, what is the effective anual rate if the investment is compounded
a) quarterly?
b) monthly?
c) daily?
d) countinesly?

skipjack February 21st, 2009 05:02 PM

What progress have you made so far?


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