if a number x is 10 % less than another number y and y is 10 % more than 125 , then x is equal to
solution y = 125 + 10 % of 125 = 125 + 12.50 = 137.50 . x = 137.50 - 10 % of 137.50 = 137.50 - 13.75 = 123.75 . answer c
multiply(multiply(125, add(const_1, divide(10, const_100))), divide(subtract(const_100, 10), const_100))