Posted by Anonymous on Saturday, February 11, 2012 at 10:12am.
Our hardware store buys tools for $15 each, marks them up and sells them for $30. Their monthly expenses (fixed costs) are $10,000.
a. What is the cost function?
b. What is the revenue?
c. How many units must be sold for the company to get a profit?

algebra  Steve, Saturday, February 11, 2012 at 4:18pm
C(x) = 10000 + 15x
R(x) = 30x
set R >= C and solve for x