![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 05.02.2021 22:10, book0001
Problem 1
1. A green light blinks every 4 seconds and a yellow light blinks every 5 seconds. When will both lights blink at the same time?
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2. A red light blinks every 12 seconds and a blue light blinks every 9 seconds. When will both lights blink at the same time?
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3. Explain how to determine when 2 lights blink together.
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![answer](/tpl/images/cats/otvet.png)
Answers: 2
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Problem 1
1. A green light blinks every 4 seconds and a yellow light blinks every 5 seconds. When w...
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