intro physics homework help please~~!?

Question

person stands on bathroom scale in a motionless elevator
When elevator begins move down, the scale briefly reads about 0.75 of person's weight. Calculate acceleration of the elevator

Answer 1

(1 - 0.75) of the acceleration of gravity is going into accelerating the man(and the elevator).
a = 0.25g = 0.25(9.8) = 2.45m/s^2