PSLE A group of girls were asked to choose their favourite sport from golf, aerobics and tennis. The pie chart represents the girls' choices. One-tenth of the group chose tennis.
- What percentage of the group chose golf?
- 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 tennisl
= One-tenth of the pie chart
=
110 x 100%
= 10%
Percent of the group that chose aerobics = 45%
Percent of the group that chose golf
= 100% - 10% - 45%
= 45%
(b)
10% of the group = 2
1% of the group =
210 Percent of the group that chose aerobics
= 45% of the group
= 45 x
210 = 9
Answer(s): (a) 45%; (b) 9