a woman's son is two years older than her daughter age is three times the sum of the ages of children after 5 years he will be 47 years old find the present ages of the children
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Solution:-
• The present age of the woman is 47 - 5 = 42.
• Since the woman's age is 3 times the sum of the ages of the children,
• This sum is 42/3 = 14.
• So for children ages you have two equations:
=> s + d = 14,
=> s - d = 2.
• Every time when you see two equations like these, add them.
• You will get
=> 2s = 14 + 2,
=> 2s = 16,
=> s = 16/2 = 8.
Thus son is 8 years now.
The daughter is 8 - 2 = 6 years.
i hope it helps you.
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