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11-04-2021
Mathematics

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HELP!!!!! Lamp X lights up for 3 seconds every 20 seconds. Lamp Y lights up for 6 seconds every 25 seconds. If both lamps just go out at the same time, when will they both light up again?

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12-04-2021

Answer:

Both lamps light up at 100 seconds. LCM of 25 and 20 is 100

Step-by-step explanation:

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