A person is 7 years older than his wife. if the wife age is m, what expression stands for the person age
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Man is 5 years elder to his wife.
m=w+5 ———(1)
Wife is now three times the age of their daughter
w=3d ————(2)
Daughter's age is 10 years
d=10 ————(3)
From equation (1), (2) and (3),
w=3x10 = 30
m=30+5 =35
Thus, man is at the age of 35 now.
His daughter’s age is 10. i.e. she was born 10 years back.
At that time, the age of man = 35–10 =25
Ans: The daughter was born when the age of the man was 25 years.
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