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Mathematics 11 Online
OpenStudy (anonymous):

four pencils and five pens cost 2.00$. three pencils and four pens cost $1.58. find the cost of a pencil and the cost of the pen

OpenStudy (ivettef365):

You make functions as follows: x = pencils and y = pens 4x + 5y = 2 3x +4y = 1.58 then solve

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