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school store sells pens for $0.35 each d pencils for $0.15 each. Anthony spent 2.80 to buy a total of 12 pens and pencils. How

school store sells pens for $0.35 each d pencils for $0.15 each. Anthony spent 2.80 to buy a total of 12 pens and pencils. How many pens did Anthony buy?

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