two numbers are 30 % and 37 % are less than a third number . how much percent is the second number less than the first ?
i ii iii 70 63 100 70 - - - - - - - - 7 100 - - - - - - ? = > 10 % answer : c
multiply(divide(subtract(subtract(const_100, 30), subtract(const_100, 37)), subtract(const_100, 30)), const_100)