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4 votes
What is the next number in the pattern? What is the rule?

3, 3, 6, 18, _____

1 Answer

7 votes
21, 24, 27, 30, 33, 36, 39, 42, 45, 47, 49, 52, 55, 57, 59 and so on.
The rule is multiply by 1,2,3,4....
User Fabio Fantoni
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