According to a Body Mass Indicator calculator, the average ideal weight for this size is 117 lbs.
It does play on frame size as well. There is a way to measure at the wrist and elbow for approximate frame size. It's at the first URL.
Sources - See Related Links below.
200 pounds
70 pounds
130 pounds
75 pounds
They should weigh between 70 and 80 pounds.
70-80 pounds
80 to 90 pounds
around 95 pounds through 105 pounds
You should be about 27 or 26 inches around your waist. You should also weigh about 110 pounds and be able to lift about 10 pounds.
If hot, then 75 pounds.
140-155 pounds depending on structure.
about 2000 calories