Siu Ming deposited $60000 in a bank at the beginning of 2004 at a simple interest rate r% per year. If the amount is $60600 at the beginning of2006, find r.
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中一數學~~~~~~~~~~1條~~~~~~10分!!
2007-05-21 12:12 am
回答 (3)
2007-05-21 1:18 am
✔ 最佳答案
interest rate 利率 = 利息simple interest 除 本金 principal 除 時間 time
利息simple interest ＝６０６００－６００００
＝６００
本金 principal＝６００００
時間 time＝２ｙｅａｒｓ
600 除 60000 除 2=0.01 除 2
r =0.005
2007-05-21 12:27 am
60000r%x2=60600
2007-05-21 12:25 am
60000×(1+r%×2÷100)=60600
收錄日期: 2021-04-12 20:30:26
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070520000051KK03229