Page 20 - Maths 1

P. 20

Note surface area (SA) of a cuboid is

2(length x width) + 2(length x height) + 2(height x width)

[2]

12. a) i) Percentage of pupils who prefer football = 48%

Percentage of pupils who prefer rugby = 12%

For pupils who prefer football or rugby, we need to add

the two:

48% + 12% = 60% (this percentage of pupils liked either

football or rugby). [1]

15 16 17 18 19 20 21 22 23 24 25