morning. They fly towards each other. The one flies at a speed of 250km/h and the other at
350km/h. At what time will they pass each other?
4.2 Find the amount of interest that a person will earn if he invests an amount of R8000 for 30
months, at an interest rate of 6% per annum, with the interest compounded semi-annually.
(Leave your answer as an expression in exponential form as you may not use a calculator.