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标题: gwd11-24 [打印本页]

作者: monicars 时间: 2005-9-8 19:23 标题: gwd11-24

Q24:

From Leland’s gross pay of p dollars last week, t percent was deducted for taxes and then s dollars was deducted for savings. What amount of Leland’s gross pay last week remained after these two deductions?

(1) p - s = 244

(2) pt = 7,552

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:

偶答E，请指点，谢谢

作者: bfghdggf 时间: 2005-9-9 05:58

(1), (2)单独不能回答问题, 所以A,B,D不对, 由于(P-PT)-S才能回答答案,不知P是多少, 所以C也不行, 答案是E

作者: casualwark11 时间: 2005-9-10 07:08

设还剩x, 则列方程式x=P-PT/100-S

由(1) p - s = 244

(2) pt = 7,552即pt/100=75.52

可以得出X=(p-s)-pt/100=244-75.52

好像C没问题啊?!

作者: elitist 时间: 2005-9-10 09:50

agree ,C

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