Mathematics and Mathematical Literacy - Thutong

Mathematical Literacy (NCS)/Grade 12/P2 73 ExemplarAccording to market researchers, people in Luka’s income bracket typicallyspend their money as shown in the pie chart below.Top 10 items of expenditure for the "emerging middleclass"Other17,6%Food26,5%Savings4,3%Communication3,7%Personal care3,7%Insurance &funds6,5%Medical & dental4,0% Transport9,7%Housing &electricity18,9%Clothing,footwear &accessories5,0%1.4 Assume that Luka’s money is spent as shown in the graph and calculate to thenearest Rand how much of each month’s take-home salary is spent on thefollowing:• Food• Clothing, footwear and accessories• Housing and electricity• Transport (8)1.5 Refer to the table below which lists the change in CPI for each of the expendituregroups listed in the pie chart from 2006 to 2007.By referring to you answers to 1.4, determine the missing values a to e in thetable (you need only write down the values and show your calculations). (10)Expenditure groupTypical monthly spendby Luka in January2006see answer 1.4see answer 1.4see answer 1.4see answer 1.4Percentage change inCPI for expendituregroupAnticipated monthlyspend by Luka inJanuary 2007Food 9,3% aClothing, footwear & accessories -10,9% bHousing & electricity 9,2% cTransport 6,8% dMedical & dental R280,00 5,6%R296,00Insurance & funds R456,00 –R480,00Personal care R259,00 5,0%R272,00Communication R259,00 0,2%R260,00Savings R301,00 –R395,00Other R1 234,00 6,9%R1 319,00R7 003,00 – eCopyright reservedPlease turn over