Yes, 47 kg is perfectly fine for a 12-year-old, at least for a girl according to the reference.
According to the reference:
- For a 12-year-old girl, 47 kg is okay.
While the reference explicitly states it's fine for a girl, whether it's ok for a boy would depend on various factors, including height, body composition, and overall health. Therefore, without more information, we can definitively say that, based on the provided reference, 47 kg is considered perfectly acceptable weight for a 12-year-old girl.
