Arithmetic reasoning?

There are 140 children in a school. One - half of the children are girls. One- fifth of the girls in the school wear glasses. How many girls in the sc

There are 140 children in a school. One - half of the children are girls. One- fifth of the girls in the school wear glasses. How many girls in the school wear glasses?

or:There are 140 children in a school. One - half of the children are girls. One- fifth of the girls in the school wear glasses. How many girls in the school wear glasses?

or:i think it should be 15 girls wear glasses

Tags:girl,