PSLE A group of girls were asked to choose their favourite sport from squash, aerobics and fencing. The pie chart represents the girls' choices. One-tenth of the group chose fencing.
- What percentage of the group chose squash?
- The girls' choices were also represented by a bar graph. Part of the graph is not shown. How many girls chose aerobics?
(a)
Percent of the group that chose fencingl
= One-tenth of the pie chart
=
110 x 100%
= 10%
Percent of the group that chose aerobics = 40%
Percent of the group that chose squash
= 100% - 10% - 40%
= 50%
(b)
10% of the group = 2
1% of the group =
210 Percent of the group that chose aerobics
= 40% of the group
= 40 x
210 = 8
Answer(s): (a) 50%; (b) 8