The Northern Station Signal flashes every 8 seconds. The Southern Station Signal flashes every 12 seconds. If they both flash at exactly the same time at the start of the day, after how many seconds will they next flash at the same time?

4th option is correct xy=-10

if this was to u plzz mark me the brainliest

15.36 per mile

but forgot to round

i am pretty sure

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the answer to your question (9+10) is 19