increasing the original price of an article by 20 percent and then increasing the new price by 20 percent is equivalent to increasing the original price by
"1.2 * 1.2 * x = 1.44 * x the answer is e ."
multiply(const_100, subtract(multiply(add(const_1, divide(20, const_100)), add(const_1, divide(20, const_100))), const_1))