30% of the students are boys. 60% of the boys and 80% of the girls wear scarves. What percentage of the students do not wear scarves?
Boys |
Girls |
Total |
30% |
70% |
100% |
Wear scarves |
Do not wear |
Wear scarves |
Do not wear |
|
18% |
12% |
56% |
14% |
100% |
Number of boys who wear scarves
= 60% x 30%
=
60100 x 30%
= 18%
Number of girls who wear scarves
= 80% x 70%
=
80100 x 70%
= 56%
Percentage of students who wear scarves
= 18% + 56%
= 74%
Percentage of students who do not wear scarves
= 100% - 74%
= 26%
Answer: 26%