PSLE A group of pupils were asked to choose their favourite sport from canoeing, swimming and rugby. The pie chart represents the pupils' choices. One-fifth of the group chose rugby.
- What percentage of the group chose canoeing?
- The pupils' choices were also represented by a bar graph. Part of the graph is not shown. How many pupils chose swimming?
(a)
Percent of the group that chose rugbyl
= One-fifth of the pie chart
=
15 x 100%
= 20%
Percent of the group that chose swimming = 35%
Percent of the group that chose canoeing
= 100% - 20% - 35%
= 45%
(b)
20% of the group = 12
1% of the group =
1220 Percent of the group that chose swimming
= 35% of the group
= 35 x
1220 = 21
Answer(s): (a) 45%; (b) 21