the age of the father 4years ago was 7times the age of his son. at present the father's age is 4times that of his son.what are the present ages of the father n the son?
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Step-by-step explanation:
Arvind’s present age = x
Arvind’s father present age = 4x
Five years ago arvind’s age was = x-5
Five years ago arvind’s father age was = 4x-5
According to the question fathers age = 7 ( x-5 )=7x-35
Therefore, 4x-5 = 7x-35
= 35–5 =7x-4x
= 30 = 3x
X= 30 \ 3
X= 10
Therefore, arvind’s age = 10
And his fathers present age = 4x = 40
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