Question

Two neon lights are turned on at the same time. One blinks every 4 seconds and the other blinks every 6 seconds. In 60 seconds, how many times will they blink at the same time?

Answer 1

Answer: They have 5 common multiples, so your answer would be 5.

Step-by-step explanation: To find the answer, find the multiples of both 4 and 6 up to 60, then find the common numbers. Count how many common number there are, and that would be your answer (5)

Answer 2

Answer:5

Step-by-step explanation:

Find how many multiples they share until 60