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sasha_wen · 发表于 2009-12-31 22:26:53

If Antonio bought two half-gallon cartons of ice cream during a special sale, what percent of the total regular price of the two cartons did he save?

(1) Antonio paid the regular price for the first carton and received the second carton for half the regular price.

(2) The regular price of the ice cream Antonio bought was $4.00 per half-gallon carton.

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.

Answer: A

怎么对此题无从下手？请牛牛们帮忙解释一下！

a10285 · 发表于 2009-12-31 22:45:47

A 在促销期买了2个半加仑de冰激凌，问节省的钱占原总价的%
（1）第一个100%，第二个50%，则节省的钱是50%/(2*100%)=25%
（2）不能通过平均值得出%
选A

TTGWD4-34

所属分类: GMAT考试

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