Answer:
The ratio is 21:15 (21 boys to 15 girls).
There are 36 students in all
15/36 of the students are girls.
Explanation:
For the ratio, you simply need to put the information on the correct side of the colon [:]. The total amount of students is calculated by adding the numbers together. Finally, the fraction of girls in the class is found by adding the number of girls above the number of total students.