SOLUTION: Homer bought some CDs for $4 each and sold all but twelve of them for $8. If he made a $400 profit, how many CDs did he buy?

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Question 907375: Homer bought some CDs for $4 each and sold all but twelve of them for $8. If he made a $400 profit, how many CDs did he buy?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
T how many CDs did he bought
$4 each profit on those sold.
(T-12)*$4 = $400
4T = 448
T = 112