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A red blinking light blinks every 18 seconds, while a yellow blinking light blinks every 12 seconds. If both lights start at the same time, after how many seconds will they next…
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A red blinking light blinks every 18 seconds, while a yellow blinking light blinks every 12 seconds. If both lights start at the same time, after how many seconds will they next…
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Sep 26, 2019
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A red blinking light blinks every 18 seconds, while a yellow blinking light blinks every 12 seconds. If both lights start at the same time, after how many seconds will they next blink at the same time? A) 6 B) 18 C) 36 D) 54
Mathematics
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Nick Locking
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least common multiple because that's when the numbers meet....... so the answer is C.
SmoothBrane
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Sep 28, 2019
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Option C, 36, because it is the LCM (Least common multiple)
TheRueger
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