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Mathematics, 26.08.2019 10:00 orozcoalbeert

Brian smith sells sets of movie posters ($12) and baseball cards ($8) at a local flea market. on last sunday, brian’s total sales were $840. people bought four times as many movie posters as baseball cards. how much did brian make on the movie posters?

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Brian smith sells sets of movie posters ($12) and baseball cards ($8) at a local flea market. on las...
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