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What's the pattern in 30 21 12 3 -6

What's the pattern in 30 21 12 3 -6
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1 vote
What's the pattern in 30 21 12 3 -6

User Fhsilva
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2 Answers

4 votes
The pattern is Subtract 9 from the previous number to get the next number
User Brad Collins
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5 votes

a_b=39 - 9b
User Yacoby
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