A father is three times as old as his son. In 12 years time, he will be twice as old. How old is the father now?
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Answer:
Let x be the current age of the son.
Son = x, Father = 3x
In 12 years
Son = x + 12, Father = 2(x+12) “OR” 3x + 12
2(x + 12) = 3x + 12
2x + 24 = 3x + 12
24 - 12 = x
Therefore, current age of son is 12, and father is 36.
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