document.write( "Question 371609: Overtures used media store had CDs on sale for $8 each and DVDs on sale for $11 each. They sold 100 more DVDs than CDs. If the total sale was $3,608, how many CDs did they sell? \n" ); document.write( "
Algebra.Com's Answer #264688 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 8X+11(X+100)=3608 \n" ); document.write( "8X+11X+1100=3608 \n" ); document.write( "19X=3608-1100 \n" ); document.write( "19X=2508 \n" ); document.write( "X=2508/19 \n" ); document.write( "X=132 NUMBER OF $8 CDS. \n" ); document.write( "132+100=232 NUMBER OF $11 DVDS. \n" ); document.write( "PROOF: \n" ); document.write( "8*132+11*232=3608 \n" ); document.write( "1056+2552=3608 \n" ); document.write( "3608=3608 \n" ); document.write( " |