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  3. Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Com

Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Com

游客2024-01-12  46
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.
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选项 A、 
B、 
C、 
D、 
答案 B
解析 The correct answer is B. Because the angles are supplementary, their sum is 180°. Thus, 2x+130°=180°. It follows that 2x=50° and x=25°. The quantity 3x is then equal to 75°, which is less than 100°. Therefore Quantity B is greater than Quantity A.
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