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Mathematics, 06.01.2021 19:00 jayyla32

You buy 1 balloon and 1 banner for $4. your friend buys 3 balloons and 2 banners for $9. each ballon costs: ?
each banner costs: ?

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You buy 1 balloon and 1 banner for $4. your friend buys 3 balloons and 2 banners for $9. each ballo...
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