a man is 40 years older than his son . in six years , his age will be twice the age of his son . the present age of this son is
"explanation : let ' s son age is x , then father age is x + 40 . = > 2 ( x + 6 ) = ( x + 40 + 6 ) = > 2 x + 12 = x + 46 = > x = 34 years answer : option d"
divide(subtract(40, subtract(multiply(const_2, const_2), const_2)), subtract(const_2, const_1))