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A certain recipe calls for 2 cups of sugar and $$3\frac({1}{2})$$ cups of flour. What is the ratio of sugar to flour in this recipe?
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A.$$\frac{3}{10}$$
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B.$$\frac{2}{5}$$
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C.$$\frac{4}{7}$$
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D.$$\frac{4}{5}$$
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E.$$\frac{6}{7}$$
C显示答案
