Question

a blue light flashes every 8 seconds and a red light flashes every 12 seconds both lights have just flashed together how many secons will they flash together

Answer 1

What is the least common multiple of 8 and 12?

Answer 2

24

Answer 3

I think four

Answer 4

I think it's 6

Answer 5

every 3 seconds becus 12%8 is 1.5 now that times 2 is 3

Answer 6

Thanks