math
posted by jacob .
6_12_9_18_15
Please help find the next three patterns
2_9_16_23

notice in 2, 9, 16, 23, ....
each number is seven more than the previous one
did you have a question about 6, 12, 9, 18, ... ? 
Yes I don't know that pattern either

6 * 2 = 12
12  3 = 9
9 * 2 = 18
18  3 = 15
15 * 2 = 30
30  3 = 27
Now do you see the pattern? 
Yes thanks

You're welcome.
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