Question 623221
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Hi,
 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? 
  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? 
{{{(9/15)*100}}} would be the gross profit before all the owner's other expenses