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  3. In a new housing development, one house sold for $140,000, and all the rest sold

In a new housing development, one house sold for $140,000, and all the rest sold

游客2024-01-12  19
问题 In a new housing development, one house sold for $140,000, and all the rest sold for $100,000 each.

Column A                                               Column B
The average (arithmetic mean) selling price
of all the houses sold in the new development          $102,000
选项 A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案 D
解析 在一个房地产的开发项目中，一幢房卖了$140,000，剩下的每幢房都卖了$100,000。在这个项目中平均每间房屋的售价 $102,000
解：本题的正确答案为(D)。比较的左项为该开发项目中所有房子的平均售价，但是题目中并未给出房子的总数，所以我们只知道其平均价格在$100,000与$140,000之间，而无法判断这些房子的平均价格与$102,000谁大谁小。
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