Respuesta :

25/100 Balloons are not red or green. There is 100 balloons, so that is our denominator. 12 plus 13 equals 25, whoch is our numerator. So 25/100 is your answer.
~Silver
mysticaldogg
12+13=25

25/100 = ¼ is red and green

1 - ¼ = ¾

¾ of the bag of balloons are neither red nor green.