80% of the students are girls. 50% of the girls and 80% of the boys wear scarves. What percentage of the students do not wear scarves?
| Girls |
Boys |
Total |
| 80% |
20% |
100% |
| Wear scarves |
Do not wear |
Wear scarves |
Do not wear |
|
| 40% |
40% |
16% |
4% |
100% |
Number of girls who wear scarves
= 50% x 80%
=
50100 x 80%
= 40%
Number of boys who wear scarves
= 80% x 20%
=
80100 x 20%
= 16%
Percentage of students who wear scarves
= 40% + 16%
= 56%
Percentage of students who do not wear scarves
= 100% - 56%
= 44%
Answer: 44%
