Algebra 2 someone please help whats the answer
2 answers:
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Answer:
Both strands will change color at 126 seconds.
Step-by-step explanation:
In this case, find the least common mutiple or LCM.
<u>EXAMPLE OF LCM:</u>
There are two integers a and b marked as LCM ( a, b ), the LCM is the smallest positive integer that can be divisible by both a and b.
So LCM(18,42) =
The LCM is 126, it is the least common multiple.