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A red string of holiday lights blinks once every 3 seconds,while a string of blue lights blinks every 4 seconds.how many times will both sets of light blink at the same Time in 1…
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A red string of holiday lights blinks once every 3 seconds,while a string of blue lights blinks every 4 seconds.how many times will both sets of light blink at the same Time in 1…
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Nov 3, 2018
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A red string of holiday lights blinks once every 3 seconds,while a string of blue lights blinks every 4 seconds.how many times will both sets of light blink at the same Time in 1 minute?
Mathematics
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David Ravetti
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the red light string will blink 20 times and the blue 15 60 divided by 4 is 15 & 60 divided by 3 is 20
Tomas Walch
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Nov 4, 2018
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The answer would be five times.
A common factor of 3 and 4 is 12.
Since there are 60 seconds in a minute, you would divide 60 by 12.
60/12=5.
Thus, your answer is 5 times.
Rolf Staflin
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Nov 8, 2018
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Rolf Staflin
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