A-A+
In a new housing development one house sold f
问题详情
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
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请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：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。
