a) If the initial investment is x, after three years it will become:
Which means that:
b) If the initial investment is x and interest rate is r, investment after fifteen and twenty four month will be equial to:
Which means that original principal is RM 5 000, offered simple interest rate is 8%.
c) If term of the loan is t years, charged interest will be:
Which means that term of the loan is:
years or 1.5 month.