SOLUTION: I am half my father's age. Nine years ago, I was two-fifths of his age. What fraction of his age was I nine years before that? I know its like x/2 = 2/5(x/2)... Please show me

Question 965277: I am half my father's age. Nine years ago, I was two-fifths of his age. What fraction of his age was I nine years before that?
I know its like x/2 = 2/5(x/2)...
Please show me working as well because it helps me learn :P.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

.
.

Multiplying by 2

Substituting from above,

So then,

You're 27, your father is 54.

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