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小 發表於 2014-11-21 04:45 PM (第 3462 天)
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F.3 Maths Question
Anybody knows how to do it??
Peter borrowed $150,000 from a loan shark to buy a car. The interest rate is 45% p.a. compounded monthly. He repaid $8,000 each month. The depreciation of the car is 10% per month.
a) Find the value of the car after 3 months.
b) Find the amount owed by Peter after 3 months, correct to nearest hundreds.
c) What percentage has Peter lost in the sale and purchase of the car?
[ 本帖最後由 00030 於 2014-11-21 05:38 PM 編輯 ]
