Grant Boone

09/16/2024 · Elementary School

OUESTION 1 1.1 The population of a city in KwaZulu-Natal is 2500000 in the year 2020. Assuming that the population will continue to increase at a constant rate of \( 5,25 \% \) each year, estimate the population of the city at the beginning of 2024 . 1.2 If the current exchange rate is \( \$=19,08 \) and \( £=23,31 \), determine the exchange rate . between dollar and pound. 1.3 Brent crude oil costs \( \$ 93,78 \) a barrel when the exchange rate is R19,08 to the dollar. (2) 1.4 A newly married couple bought furniture on hire purchase for R 60000 . They paid a cash deposit of \( 20 \% \). The balance will be paid off over 5 years at an interest rate of \( 22 \% \) p.a. They also must pay a monthly insurance fee of R120. This is added to their monthly repayments. a) Calculate the amount paid as a deposit. b) Calculate their monthly repayment. 1.5 Calculate how many years it will take for an investment, earning \( 7,5 \% \) p.a simple interest, to double in value. 1.6 The cost of a cellphone of R4799,13 is subject to inflation and increases to a cash price of R5100,00 after 2 years. Calculate the annual inflation rate.