Mathematics and Mathematical Literacy - Thutong

Mathematical Literacy(NSC)/Grade 10 96 ExemplarMEMORANDUM(b) No. The actual ratio of boys to girls is63:36 ≈ 2:1 and the graph creates theimpression that the ratio is ≈ 5:1 (Lengthof female bar: length of male bar) 3(c) The counselor has not started the x-axisat zero. This tends to emphasise thedifference between the boys and girls. 24.2.5 (a) a = 3 6 = 50%b = 100% − 50% 3(b) “Older girls are more likely toexperience a lot or an unbearable amount ofpressure than younger girls” 60% of older girls experience a lot or anunbearable amount of pressure compared to29% of younger girls. 4(c) A double bar graph. It would be easy tocompare both age groups to each otherand the two categories within the agegroups. 45.1.1 17 15.1.2 Wednesday 25.1.3 14:45 − 11:45 = 3 hours 35.1.4 17:00 − 14:45 = 2 hours 15 minutes 35.1.5 The movie will take at least 2 hours and 15minutes. Therefore the movie will endat 22:15 plus 2 hours and 15 minutes whichmeans it will end at half past twelve or00:30 45.2.1 20 seats 15.2.2 (a)R30,00(b) R25,00(c) R45,00 35.2.3 H8 and H9 25.2.4 L7 25.2.5 Category 1 tickets are the least expensivetickets. This seat is close to the screenbut is off to the side of the room whichmeans you do not get as good a view as youwould if you were further back from thescreen and in the centre of the room.Therefore it should be in the leastexpensive category. 56.1 If you print 1 000 brochures it will cost youR5 per brochure 26.2 1 000 × R5 = R5 000 36.3 2 500 × cost = R5 000 cost = R5 000 ÷ 2 500cost = R2,00 36.4 Number of brochures × R20 = R5 000 Number of brochures = R5 000 ÷ R20Number of brochures = 250 36.5 Decreases. 1Copyright reserved