Given:
Yamir is twice as old as Pato.
In three years, the sum of their ages will be 30.
Pato's current age is represented by .
To find:
The equation that could be used to correctly solve for .
Solution:
We know that, Pato's current age is represented by a, then
Yamir's age =
After three years,
Pato's age =
Yamir's age =
In three years, the sum of their ages will be 30.
Therefore, the correct option is 2.