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 solve this problem, you must determine the value of each quantity. Quantity A is(30% of 50)+40. Because 30% of 50 can be represented as 0.30(50), or 15, the quantity(30% of 50)+40 = 15+40, or 55. Similarly,(50% of 40)+ 30=0.50(40)+ 30, or 20 + 30, which equals 50. Thus, Quantity A(55)is greater than Quantity B(50).
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