gre the total interest earned on d dollors invested for 3 months at 11 percent simple annual interest

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gre
the total interest earned on d dollors invested for 3 months at 11 percent simple annual interest

就是问你如果是年利率单利为11%的3个月的利息收入.
其实就是换算一下,把年利率/4就是月利率,看你题目里,本金用d代表了,就是d*11%/4*3

就是问你如果是年利率单利为11%的3个月的利息收入。
其实就是换算一下,把年利率/4就是月利率,看你题目里,本金用d代表了,就是d*11%/4*3