MATHEMATICAL LITERACY PAPER 2
GRADE 12
NATIONAL SENIOR CERTIFICATE EXAMINATIONS
MEMORANDUM
MAY/JUNE2021
NOTE:
QUESTION 1 [37 MARKS]
1.1.1 Number of tins = 12 × 10 = 120
No of tins each member gets
= 120 ÷15
= 8
1MA multiplying by 10
1MA dividing by 15
1CA simplification AO
(3)
1.1.2 12,5 kg × 15 = 187,5 kg
5 kg × 30 = 150 kg
0,125 kg × 48 × 15 = 90 kg
10 kg × 15 = 150 kg
12×0,4 kg × 10 = 48 kg
6 × 15 kg = 90 kg
10×0,05 kg ×15 = 7,5 kg
Total = 723 kg
Half ton = 500 kg
Not valid cannot fit into a half-ton bakkie.
1M multiplying by quantity
1C conversion g to kg
1M adding all values
1C conversion ℓ to kg
1CA simplification
1A half ton value
1Oconclusion
OR
12,5 kg × 15 = 187,5 kg
5 kg × 30 = 150 kg
10 kg × 15 = 150 kg
6 × 15kg = 90 kg
Total Weight = 577,5 kg
125 g × 48 × 15 = 90 000 g
400 g × 12 × 10 = 48 000 g
50 g × 10 × 15 = 7 500 g
Total Weight = 145 500 g
= 145,5 kg
Total = 577,5 kg + 145,5 kg
= 723 kg
Half Ton = 500 kg
NotValid.
1M multiplying by quantity
1C conversion ℓ to kg
1C conversion g to kg
1M adding all values
1CA simplification
1A half ton value
1O conclusion(7)
1.1.3 Total costof items where VAT must be added
= R1274,85+ R689,70+ R4 154,85+ R1499,85
= R7 619,25
VAT amount = R7 619,25 × 15%
= R1 142,89
Total amount
= R7 619,25 + R1 142,89 + R1679,85
+ R 1 559,50 + R1049,85
= R13 051,34
Wholesaler A
1MA adding items that are subject to VAT
1A simplification
1MCA multiplying by 15%
1A simplification
1MCA adding all values
1CA simplification
1A choosing wholesale A
OR
Total costof items where VAT must be added
= R1274,85+ R689,70+ R4 154,85+ R1499,85
= R7 619,25
R7 619,25 × 1,15 = R8 762,14
R8 762 + R1 679,85 + R1 559,50 + R1 049,85
= R13 051,34
Wholesaler A
1MA adding items that are subject to VAT
1A simplification
2MA multiplying by 115%
1MCA adding all values
1CA simplification
1A conclusion
OR
Total cost of items
= R1 679,85 + R689,70 + R4 154,85 + R1 274,85 + R1 559,50 + R1 049,85 + R 1 499,85
= R11 908,45
Excluding VAT exempted items
= R11 908,45 – R4 289,20
= R7 619,25
VAT amount = R7 619,25 × 15%
= R1 142,89
Total amount = R 11908,45 + R1142,89
= R13 051,34
Wholesaler A
1A simplification
1MA subtracting items that have VAT
1A simplification
1MA multiplying by 15%
1A simplification
1CA simplification
1A conclusion
OR
Items that attract VAT:
Without VAT + 15% VAT = Including VAT
R1 274,85 + R191,23 = R1 466,08
R689,70 + R103,46 = R 793,16
R4 154,85 + R623,23 = R4 778,08
R1 499,85 +R244,98 = R1 724,83
R7 619,25 + R1 142,89 = R8 762,14
VAT exempted items
= R1 679,85 + R1 559,50 + R1 049,85
= R4 289,20
Total including VAT
= R8 762,14 + R4 289,20
= R13 051,34
Wholesaler A
1MA multiplying by 15%
1A simplification
1CA simplification
1A simplification
1MCA adding all values
1CA simplification
1A conclusion
(7)
1.1.4 2020 price = R659,70
2021 price = R659,70 × 105,17%
= R693,80649
2022 price = R693,80649 × 105,3%
= R730,57823..
= R730,58
1RT price
1M multiplying by 105,17%
1S simplification
1MCA increasing with 5,3%
1CA simplification
OR
2020 price = R659,70
2021 increase = R659,70 × 5,17%
= R34,10649
2021 price = R659,70 + R34,10649
= R693,80649
2022 increase = R693,80649 × 5,3%
= R36,77714397
2022 price = R693,80649 + R36,77714397
≈ R730,58
1RT price
1M adding 5,17%
1S simplification
1M increasing with 5,3%
1CA simplification
OR
R659,30 × 1,0517 × 1,053 = R730,58
1RT price
1M multiplying by 105,17%
1MCA increasing with 5,3%
2CA simplification
OR
2020 Unit price
= R 659 70 = R21,99
30
2021 price = R21,99× 105,17%
= R23,126883
2022 price /prys = R23,126883 × 105,3%
= R24,3526…
= R24,35
or
R24, 352607799 × 30 = R730, 58
1RT price
1M multiplying by 105,17%
1S simplification
1MCA increasing with 5,3%
1CA simplification
(5)
1.2.1
1.2.2 Number of packs lengthwise /Getal pakke in lengte
= 117
29,2
≈ 4
Number of packs width-wise/Getal pakke in breedte
= 66
21,9
≈ 3
Number of layers of packs height-wise/Getal lae
= 50
10,8
= 4,63
≈ 4
The first layer will have
No packs 4×3 = 12
cans in a pack = 12 × 12
=144 cans
Number of cans in a crate
= 144 × 4
= 576
Mass = 576 × 440 g or 576 × 400 g
= 253 440 g = 230 400
= 253,44 kg = 230,4 kg
Mass of the crate
= 280 kg – 253,44 kg or 280kg – 230,4
= 26,56 kg = 49,6 kg
Not valid
1MA dividing 29,2
1Rround down
1CA simplification
1CA simplification
1CA simplification
1CA number of cans
1CA mass of the shipment
1MCA crate mass
1O conclusion
OR
Number of packs lengthwise
=117
29,2
≈ 4
Number of packs width-wise
= 66
21,9
≈ 3
Number of layers of packs height-wise
= 50
10,8
= 4,63≈ 4
Number of packs in a crate
= 4 × 3 × 4 = 48
Number of tins in a crate
= 48 × 12 = 576
Mass = 576 × 440 g or 576 × 400 g
= 253 440 g = 230 400
= 253,44 kg = 230,4 kg
Mass of the crate
= 280 kg – 253,44 kg or 280kg – 230,4kg
= 26,56 kg = 49,6 kg
Not valid/ Nie geldig nie
1MA dividing 29,2
1S round down
1CA simplification
1CA simplification
1CA simplification
1CA number of cans
1CA mass of the shipment
1MCA crate mass
1O conclusion
(9)
[37]
QUESTION 2 [41 MARKS]
2.1.1 South East or SE
2A correct direction
(2)
2.1.2 Distance= 6,8 km – (0,19 + 3,2 + 2,1) km
= 1,31 km
1RT all correct values
1M subtracting from 6,8 km
1CA simplification
(3)
2.1.3 Fort Street
2A correct street
(2)
2.1.4 12 min = 12/60 hour = 0,2 hour
Distance = Speed × time
6,8 km = speed × 12 min
Speed = 6,8 km = 34 km/h
0,2 hour
1C convert min to hour
1SF substitution
1S changing subject of the formula
1CA simplification
(4)
2.1.5 Distance = Speed × time
= 36,5 km/h × 11/60
= 6,69166667 km
Difference = 6,8 km – 6,69 km
= 0,1083333 km
≈ 108,3 m
1SF correct values
1A distance
CA simplification
NPR if answer is in metre
(3)
2.2.1 Length = (26 + 10/12) feet = 26,83333... feet
Area = 26,8333... × 4 feet
= 107,333… feet2
LESS THAN
1M adding
1C conversion
1CA simplification
1SF substitution
1CA simplification
1O conclusion
OR
Area = 26 feet 10 inches × 4 feet
= 104 feet 40 inches
40 inches/duim = 40/12
= 3 feet 4 inches
Total area = 104 feet + 3 feet 4 inches
= 107 feet 4 inches
LESS THAN
1SF substitution
1CA simplification
1C conversion
1M adding
1CA simplification
1Oconclusion
OR
L = 26 × 12 + 10 = 322 in
W = 4 × 12 = 48 in/dm
Area = 322 × 48
= 15 456 in2
= 15 456
122
= 107,733 feet2
LESS THAN
1M adding
1CA simplification
1C conversion
1SF substitution
1CA simplification
1O conclusion
OR
L = 26 × 12 + 10 = 322 in
W = 4 × 12 = 48 in/dm
Area = 322 × 48
= 15 456 in2
109 feet2 × 122 = 15 696 in2
Area = 15 456 in2 which is LESS THAN/Minder as
1M adding
1CA simplification
1C conversion
1SF substitution
1CA simplification
1O conclusion
(6)
2.2.2 Measured distance = 82 mm = 8,2 cm
Scale :8,2 cm : 25 feet
1 cm : 25
8,2
1 cm: 3,05 feet
[Accept distances from 8cm to 8,6 cm]
1A measurement
1 M scale
1CA simplification
(3)
2.2.3 Rate per square foot /koers per vierkante voet
= 2 188,71
1 045
= C$ 2,09445...
≈ C$ 2,09 / foot2
1RT correct values
M dividing by 1 045
1CA simplification
NPR
(3)
2.3.1 Annual rent =C$ 6000 × 4 = C$24 000
Price to rent ratio/huurprysverhouding
=Average PropertyPrice
Average Annual Rent
= CS 24 000
C$ 300 000
= 12,5
Tumi should buy.
1MA calculating annual rent
1SF substitution
1CA simplification
1O conclusion
(4)
OR
Quarterly price=300 000 = 75 000
4
Price to rent ratio =75 000 = 12,5
6 000
Tumi should buy.
1MA calculating quarterly price
1SF substitution
1CA simplification
1O conclusion
(4)
2.3.2
North America | Africa | |
Min | 2,11 | 2,36 |
Max | 15,26 | 27,41 |
Median | 7,59 | 12,19 |
[41]
QUESTION 3 [32 MARKS]
3.1.1 C = - 16 302 + 15 030 + 577 196 + 297 012 +783 526
= 1 656 462
1MA adding all correct values
1A simplification
AO
(2)
3.1.2 57 ,730 million = 57 730 000
P = 4 917 029 = 0,085
57 730 000
1C converting to number
1RT numerator
1CA denominator
1CA simplification
OR
P = 4,917029 = 0,085
57,73
1C taxpayers to millions
1RT numerator
1A denominator
1CA simplification
P for rounding
(4)
3.1.3 Mean = 577 196 000 000 = R202 096,397
2 856 043
Monthly mean
= 202 096,397
12
≈ R16 841,37
1RT correct values
1C conversion
1MA dividing by 2 856 043
1MA dividing by 12
1CA simplification
(5)
3.1.4 Percentage assessed = 16 million x 100%
356 199 million
= 0,00449 %
Rounded this will be 0,0%
1RT correct values
1M percentage calculation
1CA simplification
1O explanation
(4)
3.2.1 Monthly taxable income
= R26 904,22 × 100 - 7,5
100
= R26 904,22 × 92,5%
= R24 886,40
Annual taxable income
= R24 886,40 × 12
= R298 636,80
1MA subtracting 7,5%
1MA calculating %
1A simplification
1CA simplification
OR
Monthly pension payable
= R26 904,22 × 7,5
100
= R2017,82
Monthly taxable income
= R26 904,22– R2017,82
= R24 886,40
Annual taxable income
R24 886,40 × 12
= R298 636,80
1MA calculating percentage
1A calculating %
1MA simplification
1CA simplification
OR
Annual gross salary
= R26 904,22 × 12
= R322 850,64
Annual pension payable
= R322 850,64 × 7,5
100
= R24 213,80
Annual taxable income
= R322 850,64 – R24 213,80
= R298 636,84
1A simplification
1MA calculating percentage
1CA calculating %
1CA simplification
(4)
3.2.2 April price without VAT
= R172,50 = R150
1,15
VAT in March
= R150 × 14% = R21
March price with VAT
= R150 + R21= R171
1MA dividing by 115%
1CA simplification
1MCA 14 % VAT
1CAsimplification
OR
March Price with VAT
= R172,50 x 1,14
1,15
= R171
2MA dividing by 115%
1MCA 114 % VAT
1CAsimplification
(4)
3.2.3
QUESTION 4 [40 MARKS]
4.1.1 Number of busses
= 250 000
13,2
= 18 939,39394
≈ 19 000
1MA dividing by 13,2
1A simplification
1R rounding
(3)
4.1.2
4.1.3 Total parts = 4 + 5 + 75 = 84
Using = 15 000 000
75/84 x total number of commuters = 15 000 000
Total number of commuters
= 15000000 x 84/75 = 16 800 000
Number not using a taxi
= 16 800 000 – 15 000 000
= 1 800 000
1MA adding
1A simplification
1MA working with ratio
1CA simplification
OR
Train : Bus : Taxi
4 : 5 : 75
Not using a taxi = 4 + 5 = 9
Number not using taxi
=15 000 000 x 9
75
= 1 800 000
1MAsimplification
1MA working with ratio
1A simplification
1CA simplification
OR
Not using a taxi = 4 + 5 = 9
Using ratio:
9 : 75
n: 15 million
75n = 9 × 15 million
n= 1,8 million or 1 800 000
1MA adding
1A simplification
1MA working with ratio
1CA simplification
OR
Not using a taxi = 4 + 5 = 9
Using ratio : 9 : 75
15 000 000 ÷ 75 = 200 000
200 000 × 9 = 1 800 000
1MA adding
1A simplification
1MA working with ratio
1CA simplification
(4)
4.1.4 Distance to moon and back
= 384 402 × 2
= 768 804 km
Number of trips
= 19 000 000 000
768 804
= 24 713,71117
Valid, more than 24 000
1MA multiplying with 2
1MA multiplying
2A simplification
1O conclusion
OR
Distance travelled for 24 000 trips to moon and back
= 24 000 × 384 402 km × 2
= 18 451 296 000 km
Taxis travel 19 000 000 000 km
Valid, it will more than 24 000 trips
1MA dividing by 24 000
1A simplification
1MA dividing by 2
1CA simplification
1O conclusion
OR
Kilometres travelled per trip
= 19 000 000 000 ÷ 24 000 = 791 666,6
One way distance
= 791 666,6 ÷ 2 = 395 833 km
It is more than the distance to the moon.
1MA multiplying with 2
1A simplification
1MCA dividing
1CA simplification
1O conclusion
4.2.1 9 Jan 2015 to 9 Jan 2016 – 365 days
9 Jan 2016 to 9 Jan 2017 – 366 days
9 Jan 2017 to 9 Jan 2019 – 730 days
9 Jan 2019 to 3 Jan 2020 – 359 days
Total days
= 365 + 366 + 730 + 359 = 1 820
1A number of days in full year
1A days till 3 Jan (subtracting 6)
1MCA adding 1
1CA simplification
OR
Total days
= 365 × 5 + 1 – 6
= 1 820
1A number of days in full year
1A days till 3 Jan
1MCA adding
1CA simplification
(4)
4.2.2 Share price in cent
= 2063 – 1268
= 795
1MA subtracting converted amount
1CA simplification (2)
4.2.3
4.2.4 Buying
= 5 000 × 1 611 = 8 055 000 c = R80 550
Sell
= 5 000 × 2 350 = 11750000 c = R117 500
Profit = R117 500 – R80 550 = R36 950
1RT correct values
1A difference
1C converting to rand
1MCA multiplying
1CA simplification
OR
Difference in price
= 2 350 – 1 611 c
= 739 c
= R7,39
Profit = R7,39 × 5 000
= R36 950
1RT correct values
1A buy
1C converting to rand
1CA sell
1CA simplification
(5)
[40]
TOTAL: 150