How many books were sold at a certain bookstore today?
(1) A total of 200 books were sold at the bookstore yesterday, 20 fewer than twice the number sold today. (2) The number of books sold at the bookstore yesterday was 90 more than the number sold today.
A. Statement (1) ALONE is sufficient but Statement (2) ALONE is not sufficient. B. Statement (2) ALONE is sufficient but Statement (1) ALONE is not sufficient. C. BOTH Statements TOGETHER are sufficient, but NEITHER Statement alone is sufficient. D. Each Statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient
Student: 2/2/2010 10:01:15 AM
Answer is A. Statement 1 alone is sufficient to find the number of books sold today. But statement 2 is not sufficient because we can not find the number.
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