SOLUTION: If 90% of James compact discs cost $15 each and if 10% if his compact discs cost 12$ each, what is the average arithmetic mean cost per disc?

SOLUTION: If 90% of James compact discs cost $15 each and if 10% if his compact discs cost 12$ each, what is the average arithmetic mean cost per disc?

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Question 916966: If 90% of James compact discs cost $15 each and if 10% if his compact discs cost 12$ each, what is the average arithmetic mean cost per disc?
Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
90 @15 = 1350
10 @12 = 120
1350 + 120 = 1470
1470/100 = 14.70
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