At present, Ankit is twice as old as his son In four years he will be four times as - Maths - Linear Equations in One Variable

Question

At present, Ankit is twice as old as his son In four years he will
be four times as old as what his son was 9 years ago Find the
present age of both of them

Rishabh Mittal · Accepted Answer

Dear Student ,
Please find below the solution to the asked query :

Let the present age of Ankit's son be x years 
Then Age of Ankit is 2x years 
Age of son 9 year ago=x-9 years 
Age of Ankit after 4 years =2x+4 years 
A T
Q    2x+4=4x-9⇒2x+4=4x-36⇒2x-4x=-36-4⇒-2x=-40⇒x=20 Present age of Ankit=2x=40 years
Present age of his son =20 years 
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At present, Ankit is twice as old as his son. In four years he will be four times as old as what his son was 9 years ago.Find the present age of both of them.