In English class, the girl to boy ratio is 10 to 2. If there are 10 boys, how many girls are there?
If the girl to boy ratio is 10 to 2, then for every 2 boys, there are 10 girls. Since there are 10 boys, we can use the ratio to find out how many girls there are:
10 boys * (10 girls / 2 boys) = 50 girls
Therefore, there are 50 girls in the English class.