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[Data Sufficiency]
试题详情
题目：
Juan bought some paperback books that cost $8 each and some hardcover books that cost $25 each. If Juan bought more than 10 paperback books, how many hardcover books did he buy?
(1) The total cost of the hardcover books that Juan bought was at least $150.
(2) The total cost of all the books that Juan bought was less than $260.
选项:
答案:
C
提问：
请小梅老师回答一下：老师这道题您看一下 我算出来是E 我觉得hard 可以是3/4/5/6 两个条件和一起也不能求出。
解答：
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提问：
请小梅老师回答一下：老师这道题您看一下 我算出来是E 我觉得hard 可以是3/4/5/6 两个条件和一起也不能求出。
解答：
点赞1
阅读358
提问：
数学木有录音
解答：
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