You can probably think of a time when you’ve used math to solve an everyday problem, such as calculating a tip at a restaurant or determining the square footage of a room. But what role does math play ...

A grade-school math problem has left people perplexed, can you solve the simple-looking equation in just 30 seconds? The sum, posted to X by BreakTheSilos, that regularly shares brainteasers, is: 12 - ...