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Mathematics, 22.06.2021 01:00 kelseiroll8554

7 pens and 2 pencils cost 22 3 pens and 4 pencils cost 11
Find the cost of a pen
find the cost of a pencil

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7 pens and 2 pencils cost 22 3 pens and 4 pencils cost 11
Find the cost of a pen
find the...
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