80% of the students are girls. 60% of the girls and 80% of the boys wear hats. What percentage of the students do not wear hats?
| Girls |
Boys |
Total |
| 80% |
20% |
100% |
| Wear hats |
Do not wear |
Wear hats |
Do not wear |
|
| 48% |
32% |
16% |
4% |
100% |
Number of girls who wear hats
= 60% x 80%
=
60100 x 80%
= 48%
Number of boys who wear hats
= 80% x 20%
=
80100 x 20%
= 16%
Percentage of students who wear hats
= 48% + 16%
= 64%
Percentage of students who do not wear hats
= 100% - 64%
= 36%
Answer: 36%
