price of a book increases 15 % successively ( 2 times ) what is the new price of the book more compared to that of the old price :
new price is 1.15 * 1.15 * old price = 1.3225 * old price increase in price = 0.3225 * old price % increase = 100 * 0.3225 * old price / old price = 32.25 % answer : a
multiply(subtract(multiply(divide(add(const_100, 15), const_100), divide(add(const_100, 15), const_100)), const_1), const_100)