Question

on a string of red and blue lights the red light light blink every 3 seconds and thhe blue lights blink every 5 seconds how many times will they at the same time in one minute

Answer 1

4 times. at 15,30,45, and 60 seconds

Answer 2

Answer:

the answer is four times

Step-by-step explanation:

at 15 seconds

at 30 seconds

at 45 seconds

at 60 seconds