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Mathematics, 01.07.2019 10:30 luckylady
The total cost of 4 pens and 7 mechanical pencils are $13.25 . the cost of each pencil is 75 cents . using arithmetic approach, find the cost of a pen
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The total cost of 4 pens and 7 mechanical pencils are $13.25 . the cost of each pencil is 75 cents ....
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