vcr4927 vcr4927
  • 22-09-2017
  • Mathematics
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A red string of holiday lights blinks once every 3 seconds, while a string of blue lights blinks once every 4 seconds. How many lights blinks at the same time in one minute?

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swaia3711
swaia3711 swaia3711
  • 22-09-2017
There is a total of 5 times
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