Respuesta :

Answer:

36

Step-by-step explanation:

36 is the next number

Explanation:

15 (+ 6), 21 (+3), 24 (+4), 28( +2), 30 then so on and so on. 30(+6), 36. If they were to ask you what’s the next 2 numbers, 36(+3), 39 would be after 36. Hope this helped.
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