a car dealership has 40 cars on the lot , 10 % of which are silver . if the dealership receives a new shipment of 80 cars , 25 % of which are not silver , what percentage of total number of cars are silver ?
the number of silver cars is 0.1 * 40 + 0.25 * 80 = 24 the percentage of cars which are silver is 24 / 120 = 20 % the answer is c .
multiply(divide(add(multiply(40, divide(10, const_100)), multiply(80, divide(25, const_100))), add(40, 80)), const_100)