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Please look at this one

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楼主
发表于 2008-11-18 14:39:00 | 只看该作者

Please look at this one


    

Q29:


    

A total of $60,000 was invested for one year.  Part of this amount earned simple annual
interest at the rate of x percent per year, and the rest earned simple
annual interest at the rate of y percent per year.  If the total interest earned by the $60,000
for that year was $4,080, what is the value of x?


    

(1)              x =


    

(2)  The ratio of the amount that earned interest
at the rate of x percent per year to the amount that earned interest at
the rate of y percent per year was 3 to 2.


    

                  


    

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:   


Any idea, I choose E.

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