How long will it take an investment of R4 000 to grow to R12 500

at an annual interest rate of 9,7% compounded annually, rounded to the nearest

whole year?

How long will it take an investment of R3 650 to grow to R5 000

at an annual interest rate of 7,2% compounded annually, rounded to the nearest

whole year?

R750 is deposited into an account at the end of each month. The

account earns 9.6% per annum, compounded monthly. What is the future value of

the investment after five years?

How does increasing the frequency of compounding (e.g., from

annually to monthly) affect the total amount of compound interest earned?

Nthabiseng cannot afford to buy a car with cash, so she takes out a bank

loan of R350 000 at an interest rate of 9.5% per annum, compounded monthly repaid

with equal instalments over five years. What is the total interest Nthabiseng

pays over the life of the loan?

An investment of R15 000 grows to R17 000 over a period of

two years with interest compounded semi-annually. What is the annual interest

rate?

Lerato invests R9 000 at an annual simple interest rate of 6%

per annum for 36 months. What is the total interest earned on the investment?

Solve for in the following equation:

Which of the following is the equation of the straight line that

passes through the points (3; -10) and (9; -4)?

For

the straight-line equation