如果每年支付$3840, 一共支付了7年, 共付了$26880.
(1)10年後連本帶利取回$36916, 請問利年率是多少?
(2)10年後連本帶利取回$33540, 請問利年率是多少?
(3)10年後連本帶利取回$33376, 請問利年率是多少?
我要詳細過程.. THX ~~
計算年利率?
2011-01-30 12:00 am
回答 (1)
2011-01-31 6:38 am
✔ 最佳答案
Assume r be the interest rate and compound interest per annumTotal principal and interest after 7 years
A=[(1+r)^7-1]/(r) x 3840total principal and interest after 1 years
450000=A(1+r)^3use different rate to check which rate is approximate to
(a) 36916
ans:4.577%
(b) 33540
ans:3.184%
(c) 33376
ans:3.113%
收錄日期: 2021-04-13 17:47:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110129000051KK00679