60% of the pupils are girls. 50% of the girls and 80% of the boys wear caps. What percentage of the pupils do not wear caps?
| Girls |
Boys |
Total |
| 60% |
40% |
100% |
| Wear caps |
Do not wear |
Wear caps |
Do not wear |
|
| 30% |
30% |
32% |
8% |
100% |
Number of girls who wear caps
= 50% x 60%
=
50100 x 60%
= 30%
Number of boys who wear caps
= 80% x 40%
=
80100 x 40%
= 32%
Percentage of pupils who wear caps
= 30% + 32%
= 62%
Percentage of pupils who do not wear caps
= 100% - 62%
= 38%
Answer: 38%
