ten years ago romeo was thrice as old as jim was but 10years hence he will be only twice as old.find romeo present age?

• present age romeo = x and jim = y
  (x-10)=3(y-10)
  (x+10)=2(y+10)
  3y-x=20
  x-2y=10
  solving we get
  jim age present y =30
  and romeo present age=70
  
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