GWD24-18

nicboy

    

18

    

The annual
interest rate earned by an investment increased by 10 percent from last year to
this year. If the annual interest rate earned by the investment this year was 1
percent, what was the annual interest rate last year?

    

A. 1%   B. 1.1% 
C. 9.1%  D. 10%   E. 10.8%

    

Answer  ( C)

请问谁知道怎么做啊，搜索过了，没有答案，大家帮忙看看。


    

jessiecg

同问，请牛牛们帮帮忙吧~