A library bought b books for its collection. What was the total amount of money required to buy the b books?
(1)b = 40
(2) Each of the books cost the library at least $12.50
-
AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
-
BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
-
CBOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
-
DEACH statement ALONE is sufficient.
-
EStatements (1) and (2) TOGETHER are NOT sufficient.
显示答案
正确答案: E