maths f.3 (show steps)

2008-11-08 7:50 pm
1. Tommy decided to buy a car which cost $78000. He paid a 30% deposit and took out the loan for the remainder of the cost. The loan was to repaid over a period of five years by equal monthly instalments at 9% p.a. simple interest rate. find:
(a) the total amount that was repaid for the loan.
(b) the amount of each monthly instalment.

回答 (1)

2008-11-09 11:12 am
✔ 最佳答案
a) 78000 x 70% x (1+9%)
= 78000x0.7x1.09
= 59514

b) (59514 / 5) / 12
= 59514 / 60
= 991.90


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