60% of the pupils are girls. 40% of the girls and 70% 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 |
|
24% |
36% |
28% |
12% |
100% |
Number of girls who wear caps
= 40% x 60%
=
40100 x 60%
= 24%
Number of boys who wear caps
= 70% x 40%
=
70100 x 40%
= 28%
Percentage of pupils who wear caps
= 24% + 28%
= 52%
Percentage of pupils who do not wear caps
= 100% - 52%
= 48%
Answer: 48%