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Mr Lee deposts $18000 in Bank A at an interest rate of 5.5% p.a. At the same time, he deposits $42000 in Bank B at an interest rate of 8.5%p.a. If 2.5years later the total simple interest that he receives from the two banks is x% of his original principal, find the value of x
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math問題
2006-11-14 6:03 am
回答 (2)
2006-11-14 6:08 am
✔ 最佳答案
Bank A 18000x5.5%x2.5=2475Bank B 42000x8.5%x2.5=8925
total simple interest that he receives from the two banks is x% of his original principal
(2475+8925)/(18000+42000)x100%=19%
參考: MAths
2006-11-14 6:09 am
x=(18000x5.5%x2.5)+(42000x8.5%x2.5)/18000+42000*100%
x=19%
x=19%
收錄日期: 2021-04-12 23:36:45
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061113000051KK04773