Word Problem
A woman gets on an elevator, she forgets to press the button for the Lobby. After getting on, the elevator goes up 3
floors, then down 5 floors, then down 2 floors, then up 6 floors, then down four floors. The woman looks up and
realizes she is at the lobby and gets off. The lobby is considered floor zero.
a) Determine the floor the woman was on when she started.
b) What is the lowest floor the woman reached?