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来自欧国东的问题

  Acollegestudentexpectstoearnatleast$1000ininterestonaninitialinvesrmentof$20000.Ifthemoneyisinvestedforoneyearatinterestcompoundedquarterly,whatistheleastannualinterestratethatwouldachievethegoal.Answer:20000(1+

  Acollegestudentexpectstoearnatleast$1000ininterestonaninitialinvesrmentof$20000.Ifthemoneyisinvestedforoneyearatinterestcompoundedquarterly,whatistheleastannualinterestratethatwouldachievethegoal.

  Answer:20000(1+r/400)^4>=1.05得出r=4.91

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2020-05-17 00:13
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丁原

  一个大学生想要通过用初始投资20000美元来赚取利息1000美元.如果这笔钱投资为1年,每季复利,能够实现这一目标的最小年利率是多少?

  答案是

  20000×(1+r/400)×4≥1.05得出r≥4.91

  即需要的最小年利率为5

2020-05-17 00:17:21

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