Answer:
4
Explanation:
We can set up a proportion.
18:2 = 36: x
If we multiply 18 by 2, and multiply 2 by 2, we can get 18:2 = 36:4, so x is equal to 4
18 + 18 = 36
So you got 36 cuz you times by two so you times the same for x
which is
2 x 2 = 4
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