SOLUTION: A shop sells compact disks for $15 per piece. If each disk costs $6 to the shop owner how much profit percent does the shop owner earn?

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Question 385038: A shop sells compact disks for $15 per piece. If each disk costs $6 to the shop owner how much profit percent does the shop owner earn?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
15-6=$9
9/6=1.5=150%