Mathematics, 14.04.2021 05:00, mariahrpoulin9630

A red light flashes 3 times per minute and a green light flashes 5 times every two minutes at regular intervals. The lights flash every seconds. the lights flash together every seconds. And how many times do they flash together each hour?

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A red light flashes 3 times per minute and a green light flashes 5 times every two minutes at regula...