SOLUTION: When my father was 30, I was 7. Now he is twice as old as I am. How old am I ?

SOLUTION: When my father was 30, I was 7. Now he is twice as old as I am. How old am I ?

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Question 799885: When my father was 30, I was 7. Now he is twice as old as I am. How old am I ?

Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
"Now", same amount of years passed, for both of you. Call it y.
He is and you are .
He is two times older than you, so

We now know that 16 years have passed.
You are
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