GRE 猴哥112数学难题,

发布时间：2021-03-09 22:08:10

GRE 猴哥112数学难题,

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楼主说的是这个题?
acertain money market account that had a balance of $48000 during all of last month earned $360 in interest for the month.at what simple annual interst rate did the account earn interest last month?
答案是9％$48000的月利息是$360,问年利率
360*12/48000 = 9%
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