PSLE A group of boys were asked to choose their favourite sport from tennis, golf and aerobics. The pie chart represents the boys' choices. One-tenth of the group chose aerobics.
- What percentage of the group chose tennis?
- The boys' choices were also represented by a bar graph. Part of the graph is not shown. How many boys chose golf?
(a)
Percent of the group that chose aerobicsl
= One-tenth of the pie chart
=
110 x 100%
= 10%
Percent of the group that chose golf = 30%
Percent of the group that chose tennis
= 100% - 10% - 30%
= 60%
(b)
10% of the group = 6
1% of the group =
610 Percent of the group that chose golf
= 30% of the group
= 30 x
610 = 18
Answer(s): (a) 60%; (b) 18