Mathematics, 10.12.2021 01:00 crybaby222psyc

There is a string of red and blue lights strung around a window. The red lights blink every 3 seconds, and
the blue lights blink every 5
seconds. How many
times will they blink at the same time in one
minutes?

Answers: 3

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There is a string of red and blue lights strung around a window. The red lights blink every 3 seco...