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vredina [299]
2 years ago
11

You hang two strands of decorative lights.

Mathematics
1 answer:
Sphinxa [80]2 years ago
5 0

Answer:

The stands will change color at the same time after 54 seconds.

Step-by-step explanation:

Find the Lcm number of both number (18 and 27)

The answer will be 54

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