Question

two lights in the 6th grade hallway are flickering. They both just flickered at the same time. one of the lights flickers every 4 seconds and the other light flickers every 8 seconds. how many seconds until both lights flicker at the same time?

Answer 1

The answer is 4×8, that is 32

Therefore the lights will have to flicker 32 times until both flickers at the same time