SOLUTION: A musician is planning to market a CD. The fixed costs are $720 and the variable costs are $6 per CD. The wholesale price of the CD will be $10. For the artist to make a profit, re

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Question 387763: A musician is planning to market a CD. The fixed costs are $720 and the variable costs are $6 per CD. The wholesale price of the CD will be $10. For the artist to make a profit, revenues must be greater than costs.
How many CDs, x, must be sold for the musician to break even?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let C = total cost of making x CDs
Let I = total income from making x CDs
given:
C+=+6x+%2B+720
I+=+10x
The problem is asking "When does the income = cost?"
I+=+C
6x+%2B+720+=+10x
4x+=+720
x+=+180
180 CDs must be sold to break even