# Math

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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1. If they stay on forever, they'll blink an infinite number of times.

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

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3. No.

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

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Ms. Sue
4. In 60 seconds how many times will they blink at the same time?

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5. 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
6. 5 times

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7. Right.

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Ms. Sue

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9. i think is 24 because 6x4=24

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10. 5 times

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11. 5 times bois

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

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13. its 5 times???

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14. 10 times. DUH

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15. 12 seconds DUH the lcm of 6 and 4 IS 12

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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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17. It is 5 times

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18. 6 times???????????? Me and Chase are having a challenge on who is smarter but its mee!!!!!!!!!!!!!!!!!!!!!!!!!

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19. It is 5 Charli is wrong!

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20. 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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