The ratio of girls to boys would be 16:12 because if you divide 28 by 2 you get 14. subtract 2 to on one of them and add the two to the other. You get 12 and 16. There is a difference of 4 to them and when you add them together you get 28. :)
As a percent it is 35%, and as a fraction it is 7/20. :DDD
Answer:
12.8
Step-by-step explanation:
make a beginning a a rectangle like a dividing box and put 45 on the outside and 3.5 in the inside