A public school in North Carolina has 300 boys, and 600 girls. What is the ratio of boys to the girls?
The ratio of girls to boys in a school is 5:3. If there are 300 girls, find the number of boys.
There are 120 girls and 57 boys in a school. If 5% of the girls leave and no new public are admitted. What percentage of the whole school will be boys?