SOLUTION: Juan belongs to a CD club that sells CDs for $11.44 each before tax. His first shipment of CDs costs $90.49 including 13% tax. How many CDs are in his first shipment?

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Question 301032: Juan belongs to a CD club that sells CDs for $11.44 each before tax. His first shipment of CDs costs $90.49 including 13% tax. How many CDs are in his first shipment?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(11.44*1.13)X=90.49
12.9272=90.49
X=90.49/12.9272
X=7 CDS WERE PURCHASED.
PROOF:
(11.44*1.13)*7=90.49
12.9272*7=90.49
90.49=90.49