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Mathematics, 14.10.2021 05:00 loganferg5499

A store owner sold 4 paint brushes for $12.00 and 8 pens for $3 20. What is the difference between the unit price of a paint brush and the unit price of a pen?

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A store owner sold 4 paint brushes for $12.00 and 8 pens for $3 20. What is the difference between t...
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