- 10 Marks
QT – Nov 2015 – L1 – Q5b – Mathematics of Business Finance
Determine how long it will take for an investment to grow at a given interest rate and calculate the interest rate required for tripling the investment.
Question
KuKu invested GHS 2000.00 into a Deluxe Equity Fund.
Required:
(i) Determine how long it will take for the GHS 2000.00 investment to accumulate GHS 800.00 interest at 10% compounded quarterly, if the interest is allowed for the fractional part of a conversion period (1 month = 30 days).
(ii) Determine how long it will take the GHS 2000.00 investment to triple in value if it doubled in value in 6 years at a certain rate of interest compounded monthly (1 month = 30 days).
(iii) Determine the interest rate in (ii).
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