Question

Think about mulitples of the two numbers 9 and 15. And we will have to assume that they both started blinking at the same time (at time zero)

For 9 the lights will blink at seconds: 0, 9, 18, 27, 36, 45, 54, 63,

For 15 the ligts will blink at seconds: 0, 15, 30, 45, 60, 75

They will blink together at 45 seconds

Answer 1

Answer:

mather chood......................