2. 外语
  3. Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional

Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional

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问题 Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional information centered above the quantities if such information is given. Choose one of the following answer choices:
A if Quantity A is greater;
B if Quantity B is greater;
C if the two quantities are equal;
D if you cannot determine the relationship based on the given information.

选项 A、 
B、 
C、 
D、 
答案A
解析 The correct answer is A. To compare the quantities, multiply the fractions by the whole numbers in each quantity. The quantity 1/13 of 19 is()(19), or 19/13, which is greater than 1 because the numerator is larger than the denominator. The quantity 1/19 of 13 is()(13), or 13/19, which is less than 1 because the denominator is greater than the numerator. Therefore, Quantity A(>1)is greater than Quantity B(<1).
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