SOLUTION: A father is now three as old as his son, twelve years ago he was 6times as old as his son . how old is his son now

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Question 1082806: A father is now three as old as his son, twelve years ago he was 6times as old as his son . how old is his son now
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
father and son, f and s

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father is now three as old as his son,
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f=3s


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twelve years ago he was 6 times as old as his son .
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f-12=6%28s-12%29



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3s-12=6%28s-12%29
Solve.
.
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