SOLUTION: A shop sells compact disks for $18 per piece. If each disk costs $10 to the shop owner how much profit percent does the shop owner earn?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: A shop sells compact disks for $18 per piece. If each disk costs $10 to the shop owner how much profit percent does the shop owner earn?      Log On


   

Question 445659: A shop sells compact disks for $18 per piece. If each disk costs $10 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!
8/10=0.8=80%