Mathematics, 11.12.2021 02:30, wig77777

Brian has DVDs and CDs. The number of CDs he has can be modelled with the formula C = 2D + 11, where C represents the number of CDs and D represents the number DVDs. If he has 41 CDs, how many DVDs does he have?

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Brian has DVDs and CDs. The number of CDs he has can be modelled with the formula C = 2D + 11, where...