SOLUTION: 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?
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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? Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! 8X+11(X+100)=3608
8X+11X+1100=3608
19X=3608-1100
19X=2508
X=2508/19
X=132 NUMBER OF $8 CDS.
132+100=232 NUMBER OF $11 DVDS.
PROOF:
8*132+11*232=3608
1056+2552=3608
3608=3608
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