Question id 279 - Preflight Preparation - FAA PPL(A) - Private Pilot Airplane

Preflight Preparation - (Refer to figure 61.) If 50 pounds of weight is located at point X and 100 pounds at point Z, how much weight must be located at point Y to balance the plank?
300 pounds.
50 pounds
30 pounds

Training tests and timed exam simulations FAA PPL(A) - Private Pilot Airplane