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[Problem Solving]

试题详情

题目:

At a garage sale, all of the prices of the items sold were different.  If the price of a radio sold at the garage sale was both the 15th highest price and the 20th lowest price among the prices of the items sold, how many items were sold at the garage sale?

选项:

A、33
B、34
C、35
D、36
E、37

答案:

B

提问:

PS完全搞不懂的数学题

解答:

点赞1
阅读2909
解答: sysadmin

提问:

这是啥题 完全没看懂 题目又没有说从小到大排列 而且也没说15th后面的item就比它低啊 这怎么解法?另外就是如果对题目还有问题怎样和老师继续问呢?这个系统好像不支持针对一个问题继续提问的...

解答:

点赞1
阅读2900
解答: ken@boost.org.cn老师

提问:

完全没思路。不会做

解答:

点赞0
阅读3031
解答: sysadmin老师

提问:

PS完全搞不懂的数学题

解答:

点赞1
阅读2910
解答: sysadmin老师

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