QUESTION THREE [25] 3.1 Don and Chuck are salesmen for Superior Alarms. Last week Don Sold 12 fewer alarm systems than Chuck. Together they sold 44. How many did each sell? (5) 3.2 Rand discount Department store sells three times as much as in soft goods, such as clothing and linens, as it sells in hard goods, such as furniture and appliances. If total store sales on Saturday were R180 000, how much of each category was sold? 3.3 Hot couture a clothing shop in Isipingo ordered short-sleeve T-shirts for R 23 each and long-sleeve T-shirts for R 28.50 each. If the total order amounted to R 9862.5 for 375T-shirts, how many of each were ordered? 3.4 An estate is distributed among a wife, three (3) children, and two (2) grandchildren. The children will each receive three (3) times as much as each grandchild, and the wife will receive four times as much as each child. If the estate amounts to R115000, how much will each person receive? QUESTION FOUR [25] 4.1 Michael is a budding pilot who borrows R40 000 from a financial institution to take flying lessons. He will be charged at a rate of 5% per annum compounded quarterly over six years. What repayments will Michael have to make every three months? 4.2 Theresa wants to retire on her 65th birthday with R1000000 form an investment she is about to make in her bank on her 45 th birthday. If the bank pays an interest rate of 6% per annum compounded semi-annually, how much must she invest now? 4.3 How long will it take for R 3000 to amount R 5000 if the interest rate of 4% per annum, compounded quarterly? 4.4 If R1500 accumulated to R 2700 in 5 years with a certain interest compounded semiannually, what is the rate of interest