Respuesta :

cdbuck
1/2 is the same as
0.5
48% is the same as
0.48
0.57 is
0.57
and 2/3 is approximately
0.67
We list those from greatest to least and then convert them back and we get first:
.67
.57
.5
.48
second:
2/3
.57
1/2
48%