Well it depends on hight so if in this case she is 4'6 she should weigh about 85 to 93 pounds. If she is a 5 foot girl about 95 to 100 pounds.
you should weight at lest 102
20
she should weight 115 lbs
80 pounds
70 lbs
55 to 60kg
it depends on how much they eat
A 12 year old should way about 100 to 112. around that weight is the normal weight for a 12 year old.
they should way 100 lb.
4 billion
at least your body weight
104lbs