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Mathematics 8 Online
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

OpenStudy (anonymous):

is it C

OpenStudy (anonymous):

Yes, I would say the correct answer is C

OpenStudy (anonymous):

ty

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