The age of anu's father is four time his age if 5 years ago the father's age was seven times the age of his son at the time what is the anu's father present age
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present age of anu=x
present age of anu's father=4x
5 year ago anu age=x-5
5 year ago anu's father age=7(x-5)
then 7(x-5)+5=4x
7x-35+5=4x
7x-4x-30=0
x=10
Anu present age= 10
Anu's father present age= 4x= 40
present age of anu's father=4x
5 year ago anu age=x-5
5 year ago anu's father age=7(x-5)
then 7(x-5)+5=4x
7x-35+5=4x
7x-4x-30=0
x=10
Anu present age= 10
Anu's father present age= 4x= 40
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