document.write( "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? \n" ); document.write( "
Algebra.Com's Answer #215898 by checkley77(12844)\"\" \"About 
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(11.44*1.13)X=90.49
\n" ); document.write( "12.9272=90.49
\n" ); document.write( "X=90.49/12.9272
\n" ); document.write( "X=7 CDS WERE PURCHASED.
\n" ); document.write( "PROOF:
\n" ); document.write( "(11.44*1.13)*7=90.49
\n" ); document.write( "12.9272*7=90.49
\n" ); document.write( "90.49=90.49
\n" ); document.write( "
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