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Mathematics, 15.11.2020 14:00 orose6395
The sum of two books and a pencil is $6.00. The difference of cost between 3 books and 2 pencils is $ 2.00. Find the cost of a book and a pencil.
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Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.
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The sum of two books and a pencil is $6.00. The difference of cost between 3 books and 2 pencils is...
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