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OpenStudy (anonymous):
Select the set of equations that represents the following situation: The cost of eight CDs and seven DVDs is $79.87; and the cost of two DVDs and eight CDs is $67.28. How much do a CD and a DVD cost? 8x · 7y = 79.87; 8x · 2y = 67.28 8x · 7y = 79.87; 2x · 8y = 67.28 8x + 7y = 79.87; 8x + 2y = 67.28 8x + 7y = 79.87; 2x + 8y = 67.28
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OpenStudy (anonymous):
is it C
OpenStudy (anonymous):
Yes, I would say the correct answer is C
OpenStudy (anonymous):
ty
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