Because they always work problems out with a pencil.
He works them out with a pencil.
He works it out with a pencil.
As if she's going to lay there and be swayed by some new buck.
It's terrible, we have to do all the work, but the teachers get paid.
A conundrum
They can't MOOve
Works it out with a pencil.
He worked it out with a pencil.
Gee I'm a tree!