Homework Help: algebra

Posted by Jackie on Sunday, February 24, 2013 at 3:13am.

A video game manufacturer is planning to market a new machine. The fixed costs are $550,000 and the variable costs are $120 per machine. The wholesale price of the machine will be $140. How many game machines must be sold for the company to make a profit?

my answer was 27,500 it is wrong

algebra - PsyDAG, Sunday, February 24, 2013 at 11:32am
140n = 550,000 + 120n

20n = 550,000

n = 27,500

I don't know why it's wrong, unless the answer key is wrong (which happens every once in a while) or you have a typo above.
algebra - Kay, Sunday, February 24, 2013 at 12:02pm
27500

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