Ahmed is riding the elevator in a building. The building has floors above and below ground level. Ahmed uses the expression below to describe his movement.
6 + (negative 8)
Which statement could describe Ahmed’s movement?
Ahmed started 6 floors above ground level, then he went down 8 floors.
Ahmed started 6 floors above ground level, then he went up 8 floors.
Ahmed started 6 floors below ground level, then he went up 8 floors.
Ahmed started 6 floors below ground level, then he went down 8 floors.