PSLE A group of students were asked to choose their favourite sport from swimming, aerobics and rugby. The pie chart represents the students' choices. One-tenth of the group chose rugby.
- What percentage of the group chose swimming?
- The students' choices were also represented by a bar graph. Part of the graph is not shown. How many students chose aerobics?
(a)
Percent of the group that chose rugbyl
= One-tenth of the pie chart
=
110 x 100%
= 10%
Percent of the group that chose aerobics = 35%
Percent of the group that chose swimming
= 100% - 10% - 35%
= 55%
(b)
10% of the group = 4
1% of the group =
410 Percent of the group that chose aerobics
= 35% of the group
= 35 x
410 = 14
Answer(s): (a) 55%; (b) 14