F.3 maths..(我不明白問題的意思)

Mr. Chow borrows $84 000 from a friend on simple interest. If he repays the

amount by 15 monthly instalments of $6 062,

(a) find the interest paid

(b) find the interest rate p.a.

1 Answer

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  • 10 years ago
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    mR Chow 借人 $84000 分15個月 以單利息還

    每個月還 $6062

    a) 計比左幾多利息

    6062*15-84000

    =90930-84000

    =6930

    b) 乜鬼野p.a. ...

    (90930-84000)/84000 = 0.0825

    =8.25% (利率)

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