Solution: Mrs Timpkin's Age

The code...

local
   proc {Timpkin X}
      T={FD.decl} 
      W={FD.decl}

   in
      T - 18 =: 3 * (W - 18)
      T =: 2 * W
      !X = [T W]
      {FD.distribute split X}
   end
 
in
   {ExploreAll Timpkin}
end
the solution then is
1#[72 36]

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