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Mathematics and Mathematical Literacy - Thutong

Mathematics and Mathematical Literacy - Thutong

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<strong>Mathematical</strong> <strong>Literacy</strong>(NCS)/Grade 12/P1 102 ExemplarMEMORANDUMSection B1.1.1 24×864= R20 736 21.1.2 60×470 = R28 200 21.13 Borrowing for a shorter time involves lessinterest 21.2 R470×60 – R16 000 = R12 200 31.3 Premium = 16 × 3,95 = R63,20Admin fee = R9,50 41.4.1 One year interest = (18÷100)×16 000= R2 880∴5 years interest = R14 400Total = R16 000 + R14 400 = R30 400ORI = p×i×t= R16 000×18%×5= R14 400Total = R16 000 + R14 400 = R30 400 41.4.2 5A = 16 000(1 + 0,16)5= 16000(1,16) = R33605OREnd of: Interest Amount1 st year R2 560 R18 5602nd year R2 969,60 R21 529,603rd year R3 444,74 R24 974,344th year R3 995,89 R28 970,235th year R4 635,24 R33 605,47 51.5 SANLAM is the best option 12.1 445 000 people 12.2 South East Asia 12.3 41 to 356 per 100 000 22.4 Africa because it has the highest rate per100 000 22.5 100 000÷140 ≈ 7141 in every 714 people was infected with TBin 2004 32.6 2 250 000 ÷ 100 000 = 22,522,5×41 = 922,5anywhere between 900 <strong>and</strong> 950 people 32.7 8 918 000 × 10 ÷ 100 = 891 8008 918 000 – 891 800 = 8 026 20 cases 33.1 6,5 × 80 = 520km 23.2 Need to stop twice. Possibly at Swellendam <strong>and</strong> Mossel Bay. (orsimilar sensible ideas) 33.3 520 km at 90km/h = 5,78 hours0,78hours = 0,78× 60min = 46,8 min≈ 45min∴ total time = 5h 45 min + 1h 30min 5= 7h 15 min∴arrival time ≈ 15:153.4.1 60×R7 = R420 23.4.2 650km ÷ 60liters= 10,8km/litre 33.4.3 Max: R407×8 = R3 256Std: R252 × 8 = R2 016 33.4.4 Any two of these answers:They get a tank of petrol worth R420.Can have an extra driver for the car.The driver can be young.There is extra damage control. 2Copyright reserved

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