Answer:
x=30
Explanation:
2x3=6
3x3=9
5x3=15
6x3=18
10x3=30
I figured it out by dividing 6/2 which is 3
so 10x3=30 meaning that C is your answer.
Hope this helps :)
the answer is 30
every number under the green line is multiplied by 3 to give red
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