math

what is the most probable next term?
3 6 9 15 24 39 ?

I do not understand?

you add 3 then 3 then 6 then 9 then 15 I do not see the pattern...please help

catalina the answer is 57

1. 👍 0
2. 👎 0
3. 👁 55
1. 63

1. 👍 0
2. 👎 0

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