SOLUTION: The age of A and B is 1:2 and after 15 years it becomes 2:3. then what is the age of A

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Question 838935: The age of A and B is 1:2 and after 15 years it becomes 2:3. then what is the age of A
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2FB=1%2F2
1. 2A=B
In 15 years,
%28A%2B15%29%2F%28B%2B15%29=2%2F3
3%28A%2B15%29=2%28B%2B15%29
2.3A%2B45=2B%2B30
Now substitute into eq. 2,
3A%2B45=2%282A%29%2B30
3A%2B45=4A%2B30
A=15