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According to the scale given on a certain map, 1 inch is equivalent to 20 miles. Which of the following scales are the same as the scale given on the map?
Indicate all such scales.
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A.$$\frac{1}{4}$$ inch is equivalent to 5 miles.
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B.$$\frac{1}{2}$$ inch is equivalent to 10 miles.
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C.$$\frac{5}{2}$$ inches are equivalent to 50 miles.
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D.4 inches are equivalent to 80 miles.
A,B,C,D显示答案
