The graph shows the different types of sandwiches the pupils like.
- How many pupils like butter?
- How many pupils like bacon and chicken?
- How many more pupils like chicken than bacon?
- How many pupils are there in the group altogether?
(a)
Number of pupils that like butter
= 4 x 4
= 16
(b)
Number of pupils that like bacon and chicken
= (6 + 3) x 4
= 9 x 4
= 36
(c)
Number of more pupils like chicken than bacon
= (6 - 3) x 4
= 3 x 4
= 12
(d)
Total number of pupils in the group
= (4 + 5 + 6 + 3) x 4
= 18 x 4
= 72
Answer(s): (a) 16; (b) 36; (c) 12; (d) 72