One, but they'll take 30 visits to do it.
Yarn.
Nun.
100, 1 to screw it in and 99 to say how they could do it better.
By holding the bulb up to the socket and waiting for the world to revolve around them EDIT: Rip inbox EDIT 2: Thanks for the gold!
The bus could fit 30 more lawyers.
A disposable camera doesn't have to reload 3 times to take 30 shots.
Just one. But it takes about 8-10 visits.
Because he had a crook in his neck.