F.1 Maths question
2007-11-25 11:02 pm
Shirley deposits $ 6000 in a bank at an interest rate of R% p.a. If the interest rate changes to5.5% p.a..She will get $180 more as the simple interest two years later .Find the value of R.
回答 (1)
2007-11-25 11:08 pm
✔ 最佳答案
6000 * (5.5% - R%) * 2 = 18012000 * (5.5-R)/100 = 180
5.5-R = 1.5
R = 5.5-1.5
R = 4
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