The most groups that can be made is the greatest amount that both 12 and 28 can be divided by, or 4. These four groups will each have three girls and seven boys.
D) 3/5 and 9/25
i hope i helped you :))
12 / 27 = 4/h Cross multiply
12h = 27 * 4 Notice top and bottom is equated to top and bottom of the two you have not yet used.
12h = 108 Divide by 12
h = 108 / 12
h = 9
C <<<<<-===== answer.
I have to say <span>C. Exponential</span>