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

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20 answers

  1. Ahh -- now your question makes sense.

    The least common multiple of 6 and 4 is 12. They'll blink together every 12 seconds.

    How many times will they blink together in 60 seconds?

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    Ms. Sue
  2. The answer is 5
    Because we need to find the lcm if 6 and 4 which is 12 then 60 divided by twelve is 5

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  3. 5 times

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  4. its 5 times???

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  5. They blink 6 times

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  6. 5 times

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  7. 5 times bois

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  8. In 60 seconds how many times will they blink at the same time?

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  9. 10 times. DUH

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  10. 12 seconds DUH the lcm of 6 and 4 IS 12

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  11. It is 5 times

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  12. 6 times???????????? Me and Chase are having a challenge on who is smarter but its mee!!!!!!!!!!!!!!!!!!!!!!!!!

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  13. It is 5 Charli is wrong!

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  14. it's 25 4 goes into 60 15 times and 6 goes into 60 10 times add that and you get 25

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  15. In 60 seconds how many times will they blink at the same time?

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  16. Right.

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    Ms. Sue
  17. i think is 24 because 6x4=24

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  18. No.

    How long will the lights be blinking? An hour? A day ????

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    Ms. Sue
  19. If they stay on forever, they'll blink an infinite number of times.

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    Ms. Sue
  20. I got 6*4=24

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