PSLE A group of boys were asked to choose their favourite sport from fencing, gymnastics and aerobics. The pie chart represents the boys' choices. Two-fifths of the group chose aerobics.
- What percentage of the group chose fencing?
- The boys' choices were also represented by a bar graph. Part of the graph is not shown. How many boys chose gymnastics?
(a)
Percent of the group that chose aerobicsl
= Two-fifths of the pie chart
=
25 x 100%
= 40%
Percent of the group that chose gymnastics = 45%
Percent of the group that chose fencing
= 100% - 40% - 45%
= 15%
(b)
40% of the group = 32
1% of the group =
3240 Percent of the group that chose gymnastics
= 45% of the group
= 45 x
3240 = 36
Answer(s): (a) 15%; (b) 36