PSLE A group of boys were asked to choose their favourite sport from jogging, aerobics and soccer. The pie chart represents the boys' choices. One-fifth of the group chose soccer.
- What percentage of the group chose jogging?
- The boys' choices were also represented by a bar graph. Part of the graph is not shown. How many boys chose aerobics?
(a)
Percent of the group that chose soccerl
= One-fifth of the pie chart
=
15 x 100%
= 20%
Percent of the group that chose aerobics = 10%
Percent of the group that chose jogging
= 100% - 20% - 10%
= 70%
(b)
20% of the group = 12
1% of the group =
1220 Percent of the group that chose aerobics
= 10% of the group
= 10 x
1220 = 6
Answer(s): (a) 70%; (b) 6