幫手解下2條maths丫唔該
1.When will a sum of money double it self if simple interest is calculated at an interest rate of 5% p.a.?
2.Suppose the bank lends to Charles the money that ir receives from Monica's deposit(i.e. $150 000), and the operation cost for the bank is $1500 per year.Find the profit of the bank in such a transaction after a year.
將詳細步驟寫出黎丫唔該
2條maths
2007-11-21 6:04 am
回答 (1)
2007-11-21 7:53 am
✔ 最佳答案
1. Let S be the sum of moneyLet Y be the number of years
S x (0.05) x Y+ S = 2S
S ( 0.05 Y +1) = 2S
0.05Y +1 =2
Y= 1/0.05
Y=20
After 20 years, the sum of money will double.
2007-11-21 00:01:00 補充：
第2題, 無資料喎, 好似 借給 Charles的 interest rate 同埋 monica 的存款息率
收錄日期: 2021-04-24 09:53:31
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071120000051KK03936