The graph shows the favourite colours of the group of pupils.
- How many pupils like grey and pink?
- How many less pupils like blue than pink?
- How many flower symbols will be added to blue to have the same number of pupils who like grey?
(a)
Number of pupils that liked grey and pink
= (6 + 5) x 2
= 11 x 2
= 22
(b)
Number of pupils less that like blue than pink
= (5 - 2) x 2
= 3 x 2
= 6
(c)
Number of flower symbols that will be added
= 6 - 2
= 4
Answer(s): (a) 22; (b) 6; (c) 4