Please help me solve this problem.
Kimmy has deposited ten years ' red pocket money into a bank acount . The
simple interest rate is 3 % p . a . If the amount will be $ 19260 three years
later , find how much red pocket money she has deposited .
請詳列解決方法.
F.1 Mathematics problem ( about Simple Interest Rate )
2008-08-20 4:30 am
回答 (1)
2008-08-20 4:38 am
✔ 最佳答案
Let y be the origina moneyy+y(3)(3%)=19260
1.09y=17670
y=17670
The red pocket money she has deposited is $17670
2008-08-20 23:46:05 補充：
There is a mistake. The correct step should be
Let y be the origina money
y+y(3)(3%)=19260
1.09y=19260
y=17670
The red pocket money she has deposited is $17670
收錄日期: 2021-04-18 15:10:58
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080819000051KK02786