Get out your timer and number two pencil to see if your arithmetic skills from grade school are still intact.

It's time to break out your number two pencil and mathematics skills to see if you can solve a math equation plaguing hundreds online. A simple math problem was recently shared on X by the account ...

She’s right—using simultaneous equations does get really complicated, and if you’d like to send me your work for the solution, I’d love to see it. But the system is also kind of a trick. Like a sudoku ...