Posted by **Im** on Tuesday, August 21, 2012 at 11:41pm.

There are 40 children in a class. n of them do not wear spectacles. 4/5 of the boys and 2/3 of the girls wear spectacles. Express the number of boys who wear spectacles in terms of n.

## Answer this Question

## Related Questions

- Maths - In a class of 39 pupils, 1/4 of the girls wear spectacles and 2/3 of the...
- math - In a class, 3/4 of the pupils wore spectacles.1/3 of the pupils who did ...
- maths - in a class 3/4 of the pupils wore spectacles 1/3 of the pupils who did ...
- Maths - Please help... The ratio of the number of boys to that of girls in Class...
- Maths - There are 36 pupils in a class. Each girl is given 8 books and each boy ...
- maths - in a class there are 50 students,15 girls wear glasses 8 do not wear ...
- Math - A class is made up of 10 boys and 2 girls. Half of the boys wear glasses...
- English - I left out these sentences. Thank you. 1) I hope the weather will be ...
- math - In a certain high school class, consisting of 60 girls and 40 boys, it is...
- Math - Mrs.Smith's class has 12 girls and 8 boys. What percent of he class are ...