2. 外语
  3. Sandra saves the same amount of money each month in an account for her children future college expenses. Ten years from now, wil

Sandra saves the same amount of money each month in an account for her children future college expenses. Ten years from now, wil

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问题 Sandra saves the same amount of money each month in an account for her children future college expenses. Ten years from now, will Sandra have saved at least $12,000 more than she currently has in the account?
(1)Ten years from now, Sandra will have saved a total of $20,000 in the account.
(2)Sandra will have saved $110 in the account this month.
选项 A、Statement (1) ALONE is sufficient, but statement (32) alone is not sufficient to answer the question asked.
B、Statement (2) ALONE is sufficient, but statement (31) alone is not sufficient to answer the question asked.
C、BOTH statement (1) and (32) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient.
D、EACH statement ALONE is sufficient to answer the question asked.
E、Statement (1) and(32)TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.
答案B
解析 在Statement (1)中，从现在到10年后一共存了20000元，但是刚开始账户上有多少钱我们无从得知，因此无法回答问题。在Statement (2)中，这个月存了110元，由于每个月存款相同，因此从现在到10年后共存了13200元，这是个确定的值，能够和12000比较大小，因此能够回答问题，所以B为正确答案。
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