Fathers age is 4times the age of his son now.10yrs ago father was 10tyms as old as his son.what is the present age of his father? plz help
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Let the age of son be a
Father's age = 4a
According to question,
4a - 10 = 10 ( a - 10)
=> 4a - 10 = 10a - 100
=> 10a - 4a = 100 - 10
=> 6a = 90
=> a = 15
Present age of son = 15 years
Present age of father = 60 years
Father's age = 4a
According to question,
4a - 10 = 10 ( a - 10)
=> 4a - 10 = 10a - 100
=> 10a - 4a = 100 - 10
=> 6a = 90
=> a = 15
Present age of son = 15 years
Present age of father = 60 years
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