<PRE><B>Question 939038</B>
A father is twice as old as his son. Ten years ago, the father was three times as old as his son. What are the present age of the father and son?
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let x=age of son
2x=age of father
10 yrs ago:
x-10=age of son
2x-10=age of father
2x-10=3(x-10)
2x-10=3x-30
x=20
2x=40
age of son=20
age of father=40</PRE>