shes 13, and shes 5 '2
Put your numbers in the first box and you'll get a readout of your ideal weight, weight range, and BMI: and weight range automatically shows up in the third box: http://www.halls.md/ideal-weight/body.htm
Take care !!
Umm if you ask me that site amblessed gave you was a little confusing
If your sister is 5'2 and is 13 years old she should weigh in between 98 and 110