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Mathematics, 27.09.2019 21:40, jeftegerman988
The total cost of four pens and seven mechanical pencils is $13.25. the cost of each pencil is 75 cents
a. using an arithmetic approach, find the cost of a pen
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Answers: 1
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The total cost of four pens and seven mechanical pencils is $13.25. the cost of each pencil is 75 ce...
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