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Mathematics, 28.05.2020 23:04 ejones123
The cost of 7 pencils and 3 pens is $29, while the cost of 4 pencils and 5 pens is $33. "The cost of one pencil and one pen is dollars." *
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The cost of 7 pencils and 3 pens is $29, while the cost of 4 pencils and 5 pens is $33. "The cost of...
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