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Mathematics, 09.06.2020 19:57 fdougie111

A box containing 15 DVDs is selling for $156.00. The box contains some DVDs worth $11.00 each and some DVDs worth $9.00 each. Which system of
equations can be used to determine x, the number of $11.00 DVDs, and y, the
number of $9.00 DVDs?

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