Mathematics, 12.02.2022 15:30, marygatewell385

A pen costs twice as much as a pencil. If 7 pens and 12 pencils cost $6.50, find the cost of a pencil. I know the answer (pencil $0.25, pen $0.5), but I need to figure out how the answer is solved.

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A pen costs twice as much as a pencil. If 7 pens and 12 pencils cost $6.50, find the cost of a penci...