题目内容
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题目材料：
For the 6-inch-wide boards listed, which of the following is closest to the ratio of the price per linear foot of the least expensive type of board to the price per linear foot of the most expensive type of board?
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A1 to 2
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B1 to 3
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C3 to 4
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D3 to 5
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E3 to 6
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