if x is 20 percent more than y and y is 70 percent less than z , then x is what percent of z ?
z = 100 ; y = 30 so x = 36 x as % of z = 36 / 100 * 100 = > 36 % answer will be ( d )
multiply(add(const_1, divide(20, const_100)), subtract(const_100, 70))