3. Which class has a ratio of girls to total students of 7 : 102
O A. class with 3 boys and 7 girls
O B. class with 7 boys and 3 girls
O C. class with 7 boys and 10 girls
O D. class with 10 boys and 7 girls
class a - a class with 3 boys and 7 girls because im assuming the total of students is 10 and it says girls (7) to total (10) so 10 - 7 equals 3 so thats the number of boys
