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Mathematics 8 Online
OpenStudy (anonymous):

Blake has a total of 64 DVD's and CD's. If the number of CD's is eight more than three times the number of DVD's, how many DVD's does he have?

OpenStudy (btaylor):

d + c = 64 8+3d = c d + 8 + 3d = 64 --> 4d = 56 --> d = 14, and c = 50

OpenStudy (anonymous):

thanks

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