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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  52
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 C
解析 The correct answer is C. To solve this problem, multiply both sides of the given equation by 3 to get 9w+6v-3z=9w. Next, subtract 9w from both sides to get 6v-3z=0. Now you can solve for z in terms of v, as follows:
6v=3z
2v=z
Both quantities are equal.
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