PSLE A group of girls were asked to choose their favourite sport from jogging, basketball and volleyball. The pie chart represents the girls' choices. One-tenth of the group chose volleyball.
- What percentage of the group chose jogging?
- The girls' choices were also represented by a bar graph. Part of the graph is not shown. How many girls chose basketball?
(a)
Percent of the group that chose volleyballl
= One-tenth of the pie chart
=
110 x 100%
= 10%
Percent of the group that chose basketball = 20%
Percent of the group that chose jogging
= 100% - 10% - 20%
= 70%
(b)
10% of the group = 2
1% of the group =
210 Percent of the group that chose basketball
= 20% of the group
= 20 x
210 = 4
Answer(s): (a) 70%; (b) 4