Sam and Martha are lighthouses that guard a part of coast. Sam blinks every 12 seconds and Martha blinks every 8 seconds. They blink together at midnight, how many seconds will pass before they blink together again
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Sam and Martha are lighthouses that guard a part of coast. Sam blinks every 12 seconds and Martha blinks every 8 seconds. They blink together at midnight, how many seconds will pass before they blink together again
24 seconds, I think.
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