The Blinking Signs
Understand the puzzle
The exact puzzle
Two shop signs just blinked at exactly the same moment. The pizza sign blinks every 4 seconds. The taco sign blinks every 6 seconds. In how many seconds will they next blink together at the same moment?
Why this matters
Find each process's repeating unit, then reason about where the rhythms line up
Take your time reading. There's no rush at all. Use the picture on the side to help it make sense, then tell me what it's really asking.