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C
解析 The correct answer is C. In order to calculate 15 percent of 90, multiply 90 by 0.15, the decimal equivalent of 15%. Likewise, to calculate 90 percent of 15, multiply 15 by 0.90, the decimal equivalent of 90 percent:
(0.15)(90)= 13.5
(0.90)(15)= 13.5
The quantities are equal.
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