列步驟
1a.Louis has $900 in his bank account.If the interest rate is16%p.a.,what will be the total sum of money he can get back from the bank after 6 months?
b.Louis's sister put her money in the bank.If the interest rate is16%p.a.,she can get a total of $660 from her account after 2 years.How much did she put in the bank?
mathematics(p.6-f.1)
2007-08-12 11:24 pm
回答 (1)
2007-08-13 2:08 am
✔ 最佳答案
1a) 900*[1+(16%/2)]=900*(1+8%)
=972
1b)Let she put money be "x" in the bank
2*X*(16%)+X=660
32%*X+X=660
0.32X+X=660
1.32X=660
X=500
參考: ME
收錄日期: 2021-04-23 23:09:13
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070812000051KK02583