90-140
No, the 12 year old would be overweight, whether in pounds or kilograms.
No.
Yes, it's a little overweight. It's not terribly so, just slightly heavy.
No. 100 is fat for a 12 year old girl. 140 is chewbacca mode.
YES
No, that is excellent. That is not overweight.
No, not at all
No
130+
No, a 12 year old boy who is 5 feet 4 inches tall is at a normal weight being 113 pounds. Normal weight for this height is between 110 pounds to 140 pounds.
It depends on the height....