60% of the students are boys. 40% of the boys and 50% of the girls wear glasses. What percentage of the students do not wear glasses?
| Boys |
Girls |
Total |
| 60% |
40% |
100% |
| Wear glasses |
Do not wear |
Wear glasses |
Do not wear |
|
| 24% |
36% |
20% |
20% |
100% |
Number of boys who wear glasses
= 40% x 60%
=
40100 x 60%
= 24%
Number of girls who wear glasses
= 50% x 40%
=
50100 x 40%
= 20%
Percentage of students who wear glasses
= 24% + 20%
= 44%
Percentage of students who do not wear glasses
= 100% - 44%
= 56%
Answer: 56%
