SOLUTION: a blue neon light blinks every 4 seconds. A red one blinks every 5 seconds, while a green one blinks every 6 seconds. How many times will they blink together in one hour?
Question 774850: a blue neon light blinks every 4 seconds. A red one blinks every 5 seconds, while a green one blinks every 6 seconds. How many times will they blink together in one hour? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! a blue neon light blinks every 4 seconds.
A red one blinks every 5 seconds, while a green one blinks every 6 seconds
. How many times will they blink together in one hour?
:
Prime factor each:
4: 2*2
5: 5
6: 2*3
therefore
2*2*3*5 = 60, only once
