PSLE A group of boys were asked to choose their favourite sport from golf, aerobics and badminton. The pie chart represents the boys' choices. One-quarter of the group chose badminton.
- What percentage of the group chose golf?
- The boys' choices were also represented by a bar graph. Part of the graph is not shown. How many boys chose aerobics?
(a)
Percent of the group that chose badmintonl
= One-quarter of the pie chart
=
14 x 100%
= 25%
Percent of the group that chose aerobics = 45%
Percent of the group that chose golf
= 100% - 25% - 45%
= 30%
(b)
25% of the group = 10
1% of the group =
1025 Percent of the group that chose aerobics
= 45% of the group
= 45 x
1025 = 18
Answer(s): (a) 30%; (b) 18