She worked it out with a pencil.
Works it out with a pencil.
A #2 pencil
You try to Curium. If that doesn't work and he dies, then Barium
Deport him back to Mexico
He was stumped.
Why did the detective go to the apartment complex? So he could solve the staircase.
Simplifying Radicals. Yes, she's a math teacher.
He worked it out with a pencil.
The same way he solved all other problems: He worked it out with a pencil and paper.