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

I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person). Still, I like to think I have a solid grip on basic math: I can usually gauge whether a ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An elementary school math question has left not only students but also ...

Vivian Tu, whose online persona is YourRichBFF, is somewhat of a financial genius and the Chief of Financial Empowerment at SoFi at the young age of 32. Her simple math problem can have you maximizing ...