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Mathematics, 29.12.2019 23:31 mprjug6

Phillip bought 12 used cds and dvds. cds cost $2 each, and dvds cost $3 each. he spent $31,not including tax. how many dvds did phillip buy?

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Phillip bought 12 used cds and dvds. cds cost $2 each, and dvds cost $3 each. he spent $31,not inclu...
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