SOLUTION: Select the set of equations the represents the following situation: The cost of eight CDs and fifteen DVDs is $186.31; and the cost of nine DVDs and thirteen CDs is $167.09. How mu
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Question 480172: Select the set of equations the represents the following situation: The cost of eight CDs and fifteen DVDs is $186.31; and the cost of nine DVDs and thirteen CDs is $167.09. How much do a CD and a DVD cost?
8x*15y=186.31; 9x*13y=167.09
8x+15y=186.31; 13x+9y=167.09
8x+15y=186.31; 9x+13y = 167.06
8x*15y=186.31; 13x*9y = 167.09 Answer by Maths68(1474) (Show Source):
You can put this solution on YOUR website! Let CDs=x and DVDs=y
8x+15y=186.31;13x+9y=167.09
Above set of equations represents the given situation:
