This was so captioned by Mary Jane Hale sometime in the 1930s. She wasn’t a big fan of mathematics but it doesn’t look that bad to me:
Bonus: It’s a little known fact that opossums make excellent construction supervisors. They work cheap too. (Thanks to a loyal reader for the shot!)
I can’t believe some math jock hasn’t commented on the equations on the board.
Bill, on Melissa’s FB post of this, Dragos Neacsu commented: “It’s not too bad. Looks like solving integrals by substitution. Even an opossum can understand how to solve them. 🙂”
(FB = Facebook)