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题库 / Prep2007E2-DS-213
Linda, Robert, and Pat packed a certain number of boxes with books. What is the ratio of the number of boxes of books that Robert packed to the number of boxes of books that Pat packed?
(1) Linda packed 30 percent of the total number of boxes of books.
(2) Robert packed 10 more boxes of books than Pat did.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.
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是10more不是10 percent more！
Robert packed 10 more boxes of books than Pat did.
R=P+10
不是比P多10% 我当时在想什么啊..............
这里一共有三个人！
三个人。。。。审题