a man two flats for $ 675958 each . on one he gains 15 % while on the other he loses 15 % . how much does he gain or lose in the whole transaction ?
"in such a case there is always a loss loss % = ( 15 / 10 ) ^ 2 = 9 / 4 = 2.25 % answer is b"
multiply(divide(subtract(add(multiply(divide(const_100, add(const_100, 15)), 675958), multiply(divide(const_100, subtract(const_100, 15)), 675958)), add(675958, 675958)), add(multiply(divide(const_100, add(const_100, 15)), 675958), multiply(divide(const_100, subtract(const_100, 15)), 675958))), const_100)