a father is 3 times as old as his son. after 15 years he will be twice as old as his son what are their present ages
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Step-by-step explanation:
Let the age of son = x.
Then the age of man will be 3 times as old as his son = 3x.
After 15 years:
Age of son = x + 15.
Age of man = 3x + 15.
Given that Man will be only twice as old as his son.
3x + 15 = 2(x + 15)
3x + 15 = 2x + 30
3x = 2x + 15
x = 15.
Therefore the age of son = 15 years.
the age of man = 45 years.
Hope this helps!
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