4.4k views
4 votes
in a class of 40 students,3/4 are boys. 2/5 of the girls wear spectacles. how many girls do not wear spectacles ?​

1 Answer

1 vote

Answer: 6 girls do not wear spectacles.

Explanation: 3/4 of 40 students are boys => 3/4 x 40 = 30. Therefore, there are 30 boys in the class.

Number of girls = 40 - 30= 10

2/5 of 10 girls wear spectacles => 2/5 x 10 =4

Therefore number of girls that do not wear spectacles is 10 - 4= 6girls

User Malcolm
by
4.0k points