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Mathematics, 17.09.2019 14:30 wyndal1753

If a string of red holiday lights blinks once every 3 seconds while a string of blue lights blink once every 4 seconds. how many times both sets of lights blink at the same time in 1 minutes?

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If a string of red holiday lights blinks once every 3 seconds while a string of blue lights blink on...
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