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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  57
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 A
解析 The correct answer is A. To solve this problem, simplify the second equation, as follows:
y+12 = 23
y=11
Now substitute 11 for y in the first equation:
x+11 = 27
x=16
Quantity A is greater than Quantity B.
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