Mathematics

31 January, 14:44

A record store sells CDs for $12 each. A music club offers 5 free CDs and charges $15 for each additional CD. Which equation can you use to find the number of CDs (x) that will cost the same under both plans?

A. 12x-5=15x

B. 15x-5=12x

C. 12 (x-5) = 15x

D. 12x=15 (x-5)

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